Incorrect authorization in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
Incorrect authorization in Loader in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Chrome (Google) Fixed in 153.0.8010.36
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 153.0.8010.36
230 records Highest priority Priority CRITICAL 1 CRITICAL, 52 MEDIUM, 177 LOW
Other records, highest priority first
- TI-2026-59711 Out-of-bounds write in Google ChromePriority CRITICAL 97
- TI-2026-59815 Server-side request forgery in Google ChromePriority MEDIUM 49
- TI-2026-59732 Use after free in Google ChromePriority MEDIUM 44
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87476
- 2026-10-03 Alias added: GHSA-9fcf-35pp-33q8
References
More Google Chrome vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-87476 · CVE Program
- CVE-2026-87476 · NVD
- FIRST EPSS
- GHSA-9fcf-35pp-33q8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-87476 · Red Hat security data · CC BY 4.0
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