CVE-2026-76027

chromium-browser: Memory corruption in CacheStorage

Published Oct 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Information loss in CacheStorage in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-4882-1 chromium security update
History
Type Values Removed Values Added
Description Memory corruption in CacheStorage in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High) Information loss in CacheStorage in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-221
Type Values Removed Values Added
Title chromium-browser: Memory corruption in CacheStorage
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title Remote Memory Read in Chrome CacheStorage Before v156.0.8078.79
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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 Remote Memory Read in Chrome CacheStorage Before v156.0.8078.79
Type Values Removed Values Added
Description Memory corruption in CacheStorage in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-119
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:17 PM
Reserved
Aug 18, 2026, 7:28 PM
Status
Modified
Published
Oct 30, 2026, 1:16 AM
Modified
Nov 3, 2026, 10:19 PM
Severity
Important
Public date
Oct 30, 2026, 12:05 AM