CVE-2026-7997

chromium-browser: Insufficient validation of untrusted input in Updater

Published May 6, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Insufficient validation of untrusted input in Updater in Google Chrome on Mac prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History
Type Values Removed Values Added
Title chromium-browser: Insufficient validation of untrusted input in Updater
Weaknesses CWE-1286
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title Local Privilege Escalation via Untrusted Input in Chrome Updater on macOS
Type Values Removed Values Added
First Time appeared Apple
Apple macos
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/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 Local Privilege Escalation via Untrusted Input in Chrome Updater on macOS
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Insufficient validation of untrusted input in Updater in Google Chrome on Mac prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Low)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 7, 2026, 3:56 AM
Reserved
May 5, 2026, 10:59 PM
Status
Analyzed
Published
May 6, 2026, 7:16 PM
Modified
Oct 26, 2026, 7:10 PM
Severity
Low
Public date
May 5, 2026, 12:00 AM