CVE-2026-118330

chromium-browser: Use after free in Browser

Published Oct 27, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Use after free in Browser in Google Chrome on on Windows prior to 156.0.8078.73 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox 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-4878-1 chromium security update
History
Type Values Removed Values Added
Description Use after free in Browser in Google Chrome on on Windows prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) Use after free in Browser in Google Chrome on on Windows prior to 156.0.8078.73 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Type Values Removed Values Added
Title chromium-browser: Use after free in Browser
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Type Values Removed Values Added
Title Use after free in Chrome on Windows allows remote sandbox escape via crafted HTML
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Title Use after free in Chrome on Windows allows remote sandbox escape via crafted HTML
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Use after free in Browser in Google Chrome on on Windows prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:18 PM
Reserved
Oct 27, 2026, 9:25 PM
Status
Modified
Published
Oct 27, 2026, 11:17 PM
Modified
Nov 3, 2026, 10:19 PM
Severity
Important
Public date
Oct 27, 2026, 11:03 PM