GoogleCVE-2026-19153

Google Chrome: improper input validation

High8.1CVE-2026-19153 · Published Aug 6, 2026 · updated Aug 7, 2026

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Google advisory

Affected versions

Package	Affected	Fixed in
Chrome Product	>= 151.0.7922.109, < 151.0.7922.109	151.0.7922.109

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-20

More Google advisories

All Google

Date	Advisory	Severity	Fixed in
Aug 6	Google Chrome: use after free Critical9.6Aug 6 CVE-2026-19175151.0.7922.109	Critical9.6	151.0.7922.109
Aug 6	Google Chrome: use after free High7.5Aug 6 CVE-2026-19176151.0.7922.109	High7.5	151.0.7922.109
Aug 6	Google Chrome: improper input validation High8.3Aug 6 CVE-2026-19177151.0.7922.109	High8.3	151.0.7922.109
Aug 6	Google Chrome: use after free Critical9.6Aug 6 CVE-2026-19166151.0.7922.109	Critical9.6	151.0.7922.109
Aug 6	Google Chrome: integer overflow Low3.1Aug 6 CVE-2026-19167151.0.7922.109	Low3.1	151.0.7922.109
Aug 6	Google Chrome: remote code execution High8.8Aug 6 CVE-2026-19168151.0.7922.109	High8.8	151.0.7922.109

Affected versions

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