Time-of-check time-of-use race condition in Google Chrome
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Race condition in Extensions in Google Chrome on on Mac prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via UI Interaction. (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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | 153.0.8010.47 to before 153.0.8010.47 | 153.0.8010.47 | Patch available | CNA |
- Chrome VendorGoogle Affected 153.0.8010.47 to before 153.0.8010.47 Fixed in 153.0.8010.47 Patch available CNA
Remediation
- Fix · CNA Chrome (Google) Fixed in 153.0.8010.47
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Google Chrome 153.0.8010.47
42 records Highest priority Priority MEDIUM 17 MEDIUM, 25 LOW
Other records, highest priority first
- TI-2026-61972 Use after free in Google ChromePriority MEDIUM 43
- TI-2026-61961 Improper input validation in Google ChromePriority MEDIUM 43
- TI-2026-61952 Use after free in Google ChromePriority MEDIUM 43
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-91748
- 2026-10-03 Alias added: GHSA-j9p5-vxxc-fg26
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-2026-91748 · CVE Program
- CVE-2026-91748 · NVD
- FIRST EPSS
- GHSA-j9p5-vxxc-fg26 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-91748 · 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