CVE-2026-85046
What it is
Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2026-09-04 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2026-09-18 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 1.8% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2026-09-04
- Exploit probability
- 1.8% · EPSS, next 30 days
- Weakness
- CWE-843
- Record status
- Analyzed
Affected
- Google Chrome < 152.0.7977.82
- Google v8 < 15.3.48
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-85046.md and follow it. Check whether this project is affected by CVE-2026-85046. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html
- https://issues.chromium.org/issues/542403045
- https://github.com/Serotav/Writeups/blob/77556c57999805fa7815a114da51d91cf24fbea9/v8/When_Sorting_Leads_To_Confusion.md
- https://github.com/v8/v8/commit/e0562d87ad9c17042b581582c99237d798572e67
- https://news.ycombinator.com/item?id=49570669
- https://serotav.github.io/Writeups/v8/when-sorting-leads-to-confusion/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046