CVE-2025-6558

What it is

Insufficient validation of untrusted input in ANGLE and GPU in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially perform a sandbox escape 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

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2025-06-23 22:30 UTC ReservedThe CVE id was reserved by its CNA
2. 2025-07-15 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2025-07-22 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
4. 2025-08-12 Remediation deadlineCISA's due date for federal agencies to fix it
5. 2026-10-01 12:00 UTC Last updatedMost recent change to the record

Details

Published

2025-07-15 18:15 UTC

Last modified

2026-10-01 12:00 UTC

Added to CISA KEV

2025-07-22

Exploit probability

10.9% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Analyzed

Affected

• Google Chrome < 138.0.7204.157
• Debian Linux 11.0
• Apple Safari < 18.6
• Apple Ipados < 18.6
• Apple Iphone Os < 18.6
• Apple macOS < 15.6
• Apple Visionos < 2.6
• Apple Watchos < 11.6

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