CVE-20XX-?
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CVEs that CISA lists as exploited in real attacks, newest additions first.

99 CVEs · updated 2026-11-10 20:24 UTC

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  1. CVE-2020-15999

    Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    Drop everything exploited Memory safety Browser & mail Google Chrome

    9.6 CRITICAL 64% exploit odds No fix listed
  2. CVE-2021-30633

    Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

    Drop everything exploited Memory safety Browser & mail Google Chrome

    9.6 CRITICAL 33% exploit odds No fix listed
  3. CVE-2015-5122

    Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.

    Drop everything exploited Memory safety Browser & mail Adobe Flash Player

    9.8 CRITICAL 87% exploit odds Fix listed
  4. CVE-2010-3765

    Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before 3.1.6 and 3.0.x before 3.0.10, and SeaMonkey 2.x before 2.0.10, when JavaScript is enabled, allows remote attackers to execute arbitrary code via vectors related to nsCSSFrameConstructor::ContentAppended, the appendChild method, incorrect index tracking, and the creation of multiple frames, which triggers memory corruption, as exploited in the wild in October 2010 by the Belmoo malware.

    Drop everything exploited Memory safety Browser & mail Mozilla Firefox

    9.8 CRITICAL 83% exploit odds Fix listed
  5. CVE-2014-1776

    Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014. NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that "VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks."

    Drop everything exploited Memory safety Browser & mail Microsoft Internet Explorer

    9.8 CRITICAL 83% exploit odds Fix listed
  6. CVE-2023-6345

    Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

    Drop everything exploited Memory safety Browser & mail Google Chrome

    9.6 CRITICAL 16% exploit odds No fix listed
  7. CVE-2026-125350

    Use after free in XML in Google Chrome prior to 157.0.8103.50 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail

    8.8 HIGH No fix listed
  8. CVE-2022-4135

    Heap buffer overflow in GPU in Google Chrome prior to 107.0.5304.121 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

    Drop everything exploited Memory safety Browser & mail Google Chrome

    9.6 CRITICAL 32% exploit odds Fix listed
  9. CVE-2024-9680

    An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, Firefox ESR < 115.16.1, Thunderbird < 131.0.1, Thunderbird < 128.3.1, and Thunderbird < 115.16.0.

    Drop everything exploited Memory safety Browser & mail Mozilla Firefox

    9.8 CRITICAL 23% exploit odds Fix listed
  10. CVE-2015-5123

    Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

    Drop everything exploited Memory safety Browser & mail Redhat Enterprise Linux Desktop

    9.8 CRITICAL 19% exploit odds Fix listed
  11. CVE-2021-37973

    Use after free in Portals in Google Chrome prior to 94.0.4606.61 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

    Drop everything exploited Memory safety Browser & mail Google Chrome

    9.6 CRITICAL 12% exploit odds Fix listed
  12. CVE-2021-21220

    Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 70% exploit odds No fix listed
  13. CVE-2021-30632

    Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 63% exploit odds No fix listed
  14. CVE-2025-14174

    Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 55% exploit odds No fix listed
  15. CVE-2026-2441

    Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 54% exploit odds No fix listed
  16. CVE-2021-38003

    Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 39% exploit odds No fix listed
  17. CVE-2023-4863

    Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 100% exploit odds Fix listed
  18. CVE-2021-37975

    Use after free in V8 in Google Chrome prior to 94.0.4606.71 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 35% exploit odds No fix listed
  19. CVE-2010-0249

    Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2003 SP2; Windows Vista Gold, SP1, and SP2; Windows Server 2008 Gold, SP2, and R2; and Windows 7 allows remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object, related to incorrectly initialized memory and improper handling of objects in memory, as exploited in the wild in December 2009 and January 2010 during Operation Aurora, aka "HTML Object Memory Corruption Vulnerability."

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 92% exploit odds Fix listed
  20. CVE-2013-3893

    Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 88% exploit odds Fix listed
  21. CVE-2016-7200

    The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.

    exploited Memory safety Browser & mail Microsoft Edge

    8.8 HIGH 83% exploit odds Fix listed
  22. CVE-2021-21148

    Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 20% exploit odds No fix listed
  23. CVE-2010-0806

    Use-after-free vulnerability in the Peer Objects component (aka iepeers.dll) in Microsoft Internet Explorer 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object, as exploited in the wild in March 2010, aka "Uninitialized Memory Corruption Vulnerability."

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 82% exploit odds Fix listed
  24. CVE-2021-26411

    Internet Explorer Memory Corruption Vulnerability

    exploited Memory safety Browser & mail Microsoft Edge

    8.8 HIGH 82% exploit odds Fix listed
  25. CVE-2024-7965

    Inappropriate implementation in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 19% exploit odds No fix listed
  26. CVE-2010-3962

    Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.1 HIGH 97% exploit odds Fix listed
  27. CVE-2012-4792

    Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 79% exploit odds Fix listed
  28. CVE-2013-1347

    Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly allocated or (2) is deleted, as exploited in the wild in May 2013.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 78% exploit odds Fix listed
  29. CVE-2013-3897

    Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 77% exploit odds Fix listed
  30. CVE-2013-2551

    Use-after-free vulnerability in Microsoft Internet Explorer 6 through 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013, aka "Internet Explorer Use After Free Vulnerability," a different vulnerability than CVE-2013-1308 and CVE-2013-1309.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 74% exploit odds Fix listed
  31. CVE-2021-21193

    Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 10% exploit odds No fix listed
  32. CVE-2021-21206

    Use after free in Blink in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 9% exploit odds No fix listed
  33. CVE-2022-2294

    Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 71% exploit odds Fix listed
  34. CVE-2013-3163

    Microsoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3144 and CVE-2013-3151.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 71% exploit odds Fix listed
  35. CVE-2025-5419

    Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 8% exploit odds No fix listed
  36. CVE-2021-30554

    Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 7% exploit odds No fix listed
  37. CVE-2013-1690

    Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 do not properly handle onreadystatechange events in conjunction with page reloading, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted web site that triggers an attempt to execute data at an unmapped memory location.

    exploited Memory safety Browser & mail Mozilla Firefox

    8.8 HIGH 69% exploit odds Fix listed
  38. CVE-2024-0519

    Out of bounds memory access in V8 in Google Chrome prior to 120.0.6099.224 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 4% exploit odds No fix listed
  39. CVE-2012-4969

    Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.1 HIGH 80% exploit odds Fix listed
  40. CVE-2016-0189

    The Microsoft (1) JScript 5.8 and (2) VBScript 5.7 and 5.8 engines, as used in Internet Explorer 9 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0187.

    exploited Memory safety Browser & mail Microsoft Jscript

    7.5 HIGH 94% exploit odds Fix listed
  41. CVE-2018-6065

    Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 60% exploit odds Fix listed
  42. CVE-2016-9079

    A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.

    exploited Memory safety Browser & mail Debian Linux

    7.5 HIGH 87% exploit odds Fix listed
  43. CVE-2015-2419

    JScript 9 in Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "JScript9 Memory Corruption Vulnerability."

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 53% exploit odds Fix listed
  44. CVE-2021-28550

    Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

    exploited Memory safety Browser & mail Adobe Acrobat Dc

    8.8 HIGH 52% exploit odds Fix listed
  45. CVE-2015-2502

    Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Memory Corruption Vulnerability," as exploited in the wild in August 2015.

    exploited Memory safety Browser & mail Microsoft Internet Explorer

    8.8 HIGH 51% exploit odds Fix listed
  46. CVE-2019-13720

    Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 49% exploit odds Fix listed
  47. CVE-2023-5217

    Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

    exploited Memory safety Browser & mail Webmproject Libvpx

    8.8 HIGH 49% exploit odds Fix listed
  48. CVE-2026-87491

    Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

    exploited Memory safety Browser & mail Google Chrome

    8.8 HIGH 4% exploit odds Fix listed
  49. CVE-2020-16009

    Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    exploited Memory safety Browser & mail Cefsharp

    8.8 HIGH 48% exploit odds Fix listed
  50. CVE-2016-1646

    The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, does not properly consider element data types, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted JavaScript code.

    exploited Memory safety Browser & mail Debian Linux

    8.8 HIGH 48% exploit odds Fix listed

These CVEs appear in CISA's Known Exploited Vulnerabilities (KEV) catalog, which means attackers are using them in real attacks. Each entry shows severity, exploit odds, fix status and a timeline.