Denial of service in Android SIM record validation
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-248.
Summary
Google Android versions from 14, from 15, from 16, from 16-qpr2 and from 17 are affected. An uncaught exception in validEfCfis of SIMRecords.java (CWE-248) causes a denial of service. A local attacker with no additional execution privileges and no user interaction can trigger it, which could lead to local escalation of privilege.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
In validEfCfis of SIMRecords.java, there is a possible way to cause a denial of service due to an uncaught exception. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
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
The sources list no fixed version for Android.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Timeline
- 2026-11-02 Threatist record created from CVE-2026-55288
- 2026-11-02 Alias added: GHSA-2x43-3prv-xwmv
- 2026-11-03 CVSS score added · CISA ADP
- 2026-11-03 Weakness changed · CISA ADP
- 2026-11-03 CISA SSVC decision points changed
References
More Google 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-2026-55288 · CVE Program
- CVE-2026-55288 · NVD
- FIRST EPSS
- GHSA-2x43-3prv-xwmv · 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