Incorrect authorization in Chrome FileSystem allows code execution
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
Google Chrome prior to 157.0.8103.38 has incorrect authorization in FileSystem (CWE-863). A remote attacker who uses social engineering can potentially execute arbitrary code outside the sandbox by getting a user to open a crafted HTML page.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Google Chrome 157.0.8103.38 fixes this issue. Update Google Chrome to version 157.0.8103.38 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA Chrome (Google) Fixed in 157.0.8103.38
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 157.0.8103.38
213 records Highest priority Priority MEDIUM 96 MEDIUM, 117 LOW
Other records, highest priority first
- TI-2026-84793 Use after free in Chrome TabStrip lets remote attackers run codePriority MEDIUM 43
- TI-2026-84786 Use after free in Google Chrome Extensions allows code executionPriority MEDIUM 43
- TI-2026-84785 Buffer overflow in ANGLE in Google Chrome allows code executionPriority MEDIUM 43
Vendor assessments
Timeline
- 2026-11-03 Threatist record created from CVE-2026-121060
- 2026-11-03 CVSS score added · CISA ADP
- 2026-11-03 CISA SSVC decision points changed
- 2026-11-03 Priority changed: LOW → MEDIUM
- 2026-11-03 Alias added: GHSA-5qw2-vg93-p5p4
- 2026-11-04 Affected versions changed · Red Hat
- 2026-11-04 CVSS score added · Red Hat
- 2026-11-05 CISA SSVC decision points changed
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-2026-121060 · CVE Program
- CVE-2026-121060 · NVD
- FIRST EPSS
- GHSA-5qw2-vg93-p5p4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-121060 · Red Hat security data · CC BY 4.0
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