CVE-2026-121096

chromium-browser: Incomplete cleanup in V8

Published Nov 3, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
Incomplete cleanup in V8 in Google Chrome prior to 157.0.8103.38 allowed a local attacker to read memory via a local program. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Title Memory Read Vulnerability due to Incomplete Cleanup in V8 chromium-browser: Incomplete cleanup in V8
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Memory Read Vulnerability due to Incomplete Cleanup in V8
Type Values Removed Values Added
Description Incomplete cleanup in V8 in Google Chrome prior to 157.0.8103.38 allowed a local attacker to read memory via a local program. (Chromium security severity: Medium)
Weaknesses CWE-459
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 9, 2026, 8:30 PM
Reserved
Nov 3, 2026, 9:29 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 10, 2026, 3:38 PM
Severity
Moderate
Public date
Nov 3, 2026, 8:42 PM