CVE-2026-121187

chromium-browser: Observable discrepancy in Paint

Published Nov 3, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Observable discrepancy in Paint in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (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
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title chromium-browser: Observable discrepancy in Paint
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title Chrome Paint Component Information Disclosure Vulnerability
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Chrome Paint Component Information Disclosure Vulnerability
Type Values Removed Values Added
Description Observable discrepancy in Paint in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-203
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 4, 2026, 6:50 PM
Reserved
Nov 3, 2026, 10:19 AM
Status
Analyzed
Published
Nov 3, 2026, 9:17 PM
Modified
Nov 5, 2026, 5:37 PM
Severity
Moderate
Public date
Nov 3, 2026, 8:42 PM