GoogleCVE-2026-84334

Google Chrome: improper authorization

High8.1CVE-2026-84334 · Published Sep 2, 2026 · updated Sep 3, 2026

Incorrect authorization in Chromoting in Google Chrome on on Windows prior to 152.0.7977.75 allowed a local attacker to execute arbitrary code outside the sandbox via a local program. (Chromium security severity: Medium)

Google advisory

Affected versions

Package	Affected	Fixed in
Chrome Product	>= 152.0.7977.75, < 152.0.7977.75	152.0.7977.75

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-863

More Google advisories

All Google

Date	Advisory	Severity	Fixed in
Sep 2	Google Chrome: use after free Critical9.6Sep 2 CVE-2026-84352152.0.7977.75	Critical9.6	152.0.7977.75
Sep 2	Google Chrome: use after free Critical9.6Sep 2 CVE-2026-84353152.0.7977.75	Critical9.6	152.0.7977.75
Sep 2	Google Chrome: improper authorization Critical9.6Sep 2 CVE-2026-84354152.0.7977.75	Critical9.6	152.0.7977.75
Sep 2	Google Chrome: improper authorization Low3.1Sep 2 CVE-2026-84355152.0.7977.75	Low3.1	152.0.7977.75
Sep 2	Google Chrome: spoofing Medium4.3Sep 2 CVE-2026-84356152.0.7977.75	Medium4.3	152.0.7977.75
Sep 2	Google Chrome: improper input validation Medium6.5Sep 2 CVE-2026-84357152.0.7977.75	Medium6.5	152.0.7977.75

Affected versions

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