Out-of-bounds write in Google ChromeOS
Priority HIGH 65CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- 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-787 and the CVSS impact.
Summary
Out-Of-Bounds Write in TPM2 Reference Library in Google ChromeOS 15753.50.0 stable on Cr50 Boards allows an attacker with root access to gain persistence and Bypass operating system verification via exploiting the NV_Read functionality during the Challenge-Response process.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed ChromeOS (Google): 15753.50.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| ChromeOS | 15753.50.0 to before 15753.50.0 | 15753.50.0 | Patch available | CNA |
- ChromeOS VendorGoogle Affected 15753.50.0 to before 15753.50.0 Fixed in 15753.50.0 Patch available CNA
Remediation
- Fix · CNA ChromeOS (Google) Fixed in 15753.50.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1122
- 2026-10-03 Alias added: GHSA-j93w-j7jm-5c8h
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-2025-1122 · CVE Program
- CVE-2025-1122 · NVD
- FIRST EPSS
- GHSA-j93w-j7jm-5c8h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences