Use after free in MediaStream in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Google Chrome versions prior to 156.0.8078.79 are affected. A use after free flaw in MediaStream (CWE-416) lets a remote attacker execute arbitrary code inside the sandbox via a crafted HTML page. Exploitation requires a user to visit the attacker's page.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
Use after free in MediaStream in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
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
Update Google Chrome to version 156.0.8078.79.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA Chrome (Google) Fixed in 156.0.8078.79
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 156.0.8078.79
21 records Highest priority Priority MEDIUM 13 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2026-82801 Buffer overflow in Skia in Google Chrome allows sandbox escapePriority MEDIUM 43
- TI-2026-82803 Use after free in Google Chrome GarbageCollectionPriority MEDIUM 42
- TI-2026-82810 Incorrect reference resolution in CacheStorage in Google ChromePriority MEDIUM 40
Vendor assessments
Timeline
- 2026-10-30 Threatist record created from CVE-2026-76024
- 2026-10-30 Alias added: GHSA-cpv7-4g36-wqcc
- 2026-10-30 CVSS score added · CISA ADP
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 Affected versions changed · Red Hat
- 2026-10-30 CVSS score added · Red Hat
- 2026-11-03 Title updated · CNA
- 2026-11-03 Weakness changed · CNA
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-2026-76024 · CVE Program
- CVE-2026-76024 · NVD
- FIRST EPSS
- GHSA-cpv7-4g36-wqcc · GitHub Advisory Database · CC BY 4.0
- CVE-2026-76024 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences