CVE-2026-45531: Elevation of privilege in Google Android
Description
In read_boot_region of fsck.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
CVSS v3.1
Score 7.8high
Affected software
Android
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap buffer overflow in the read_boot_region function within fsck.c of Google Android. The flaw allows an out-of-bounds read which can lead to local privilege escalation without needing extra execution privileges or user interaction. The vulnerability is tracked as CVE-2026-45531 and affects Android versions 14 through 17, including 16-qpr2. It has a CVSS v3.1 score of 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can result in local escalation of privileges on affected Android devices, potentially allowing an attacker with limited privileges to gain higher-level access. The vulnerability impacts confidentiality, integrity, and availability of the system. No user interaction is required for exploitation, increasing the risk of automated or stealthy attacks.
Mitigation Recommendations
No patch or official fix information is currently provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users and monitor for suspicious activity related to privilege escalation attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- google_android
- Date Reserved
- 2026-05-12T17:37:06.748Z
- State
- PUBLISHED
Threat ID: 6aa05619acd9273b490f5575
Added to database: 09/08/2026, 18:38:17 UTC
Last enriched: 09/16/2026, 01:54:52 UTC
Last updated: 10/21/2026, 13:20:22 UTC
Views: 41
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