Local privilege escalation via integer-overflow out-of-bounds writes
Published Sep 8, 2026 · Updated Sep 8, 2026
Out-of-bounds writes in the System component of Google Android 16 QPR2 and 17 allow local users to gain elevated privileges. Integer overflows in multiple undisclosed System locations produce values that drive writes beyond allocated memory boundaries. Exploitation requires local low-privileged access, needs no user interaction, and can compromise confidentiality, integrity, and availability with elevated privileges.
Summary
What happened
Out-of-bounds writes in the System component of Google Android 16 QPR2 and 17 allow local users to gain elevated privileges. Integer overflows in multiple undisclosed System locations produce values that drive writes beyond allocated memory boundaries. Exploitation requires local low-privileged access, needs no user interaction, and can compromise confidentiality, integrity, and availability with elevated privileges.
The record
- CVE
- CVE-2026-49927
- Published
- Sep 8, 2026
- Updated
- Sep 8, 2026
- Vendor
- Google Cloud
- Product
- Android
- Classifications
- CWE-190, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=16-qpr2
- Affected versionversion=17
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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