CVE-2026-125350: Google Chromium Use-After-Free Vulnerability
Vulnerability summary
CVE-2026-125350 is a high (CVSS 8.8) Use After Free vulnerability in Google Chromium. It is known to be exploited: CISA lists it, first on 10-11-2026.
Listed as exploited by CISA (10-11-2026)
Source freshness unavailable
How is this decided?Timeline
- 10-11-2026PublishedVulnerability first disclosed.
- 10-11-2026Added to CISA KEVExploitedGoogle Chromium Use-After-Free Vulnerability
- 10-11-2026Last modifiedVulnerability information updated.
- 24-11-2026CISA remediation dueUpcomingApply mitigations per vendor instructions.
Description
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)
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogs- Added
- 10-11-2026
- Federal due date
- 24-11-2026
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
CISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_018223192.html nvd.nist.gov/vuln/detail/CVE-2026-125350
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- chromiumAll versions (No fix recorded)
Google1 product
- chrome≥ 157.0.8103.50, < 157.0.8103.50 | < 157.0.8103.50
2 vendors · 2 products
References
4 links- chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_018223192.htmlRelease NotesVendor Advisory
- issues.chromium.org/issues/582442907Permissions Required
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-125350Government ResourceUS Government Resource