CVE-2026-121199

Google Chrome: Missing authorization

CVE-2026-121199 is fixed in Google Chrome on 1 platform by Google Chrome 157.0.8103.39 (version 157.0.8103.39), released November 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0009

0th percentile

Missing authorization in Chromoting in Google Chrome on on Mac prior to 157.0.8103.38 allowed a local attacker to obtain sensitive information via a local program. (Chromium security severity: Medium)

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Google Chrome	157.0.8103.39	Google Chrome 157.0.8103.39	Nov 2, 2026

Details

Published
November 3, 2026
Weakness
CWE-862: Missing authorization
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-121199

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