Skip to content
CVSS 7.8 · HIGH

CVE-2026-7997

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)

View on NVD

Analysis

Google Chrome is standard software for the developer community on macOS. A local privilege escalation vulnerability with a CVSS of 7.8 in a background updater is significant, even if Chromium internally rates the severity lower, as it provides a path for an attacker to gain OS-level control.

Severity

Score: 7.8(HIGH)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV: LOCAL
AC: LOW
PR: NONE
UI: REQUIRED
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-20

EPSS

No EPSS score yet (CVE may be too fresh).

Affects

google:chromeapple:macos

Technical 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)

Published: 5/6/2026, 7:16:50 PM
Last modified: 5/6/2026, 11:18:39 PM

References

HomeEventsBlogResourcesTeam