Out-of-bounds read in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- 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-125 and the CVSS impact.
Summary
Out of bounds read in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to obtain potentially sensitive information from process memory 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
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | 149.0.7827.155 to before 149.0.7827.155 | 149.0.7827.155 | Patch available | CNA |
- Chrome VendorGoogle Affected 149.0.7827.155 to before 149.0.7827.155 Fixed in 149.0.7827.155 Patch available CNA
Remediation
- Fix · CNA Chrome (Google) Fixed in 149.0.7827.155
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 149.0.7827.155
33 records Highest priority Priority MEDIUM 9 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2026-10676 Use after free in Google ChromePriority MEDIUM 42
- TI-2026-10679 Use after free in Google ChromePriority MEDIUM 41
- TI-2026-10702 Heap-based buffer overflow in Google ChromePriority MEDIUM 40
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12461
- 2026-10-03 Alias added: GHSA-c4fw-r79c-wcg4
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-2026-12461 · CVE Program
- CVE-2026-12461 · NVD
- FIRST EPSS
- GHSA-c4fw-r79c-wcg4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-12461 · 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