Android: Out-of-bounds write enables local privilege escalation
Summary
Google Android contains an out-of-bounds write caused by an incorrect bounds check in multiple locations. A local attacker with low privileges and no user interaction can escalate privileges on the affected device. The bulletin lists the issue under Framework, while its introduction describes a System component issue. Google has not flagged it as exploited.
Affected
- Android 14, 15, 16, 16-qpr2 and 17 (AOSP versions per the October 2026 bulletin)
- Manufacturer builds may differ; check your device vendor's bulletin
Fixed in
- Security patch level 2026-10-01 or later
- Pixel devices: patch level 2026-10-05 or later
Workaround
Unknown. No workaround is documented in the sources checked; apply the security update.
Exploitation
- Google has not flagged this CVE as exploited in the wild.
- CISA KEV: a third-party mirror reports it is not listed; not verified on cisa.gov.
- No public proof-of-concept found in searches.
Our recommendation
- Update all Android devices to security patch level 2026-10-01 or later via MDM.
- Check the patch level on each device and record it in your asset inventory.
- Replace or isolate Pixel 6 and 6 Pro devices, which receive no further updates after October 2026.
- Monitor for vendor updates and any reports of exploitation.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Android Security Bulletin October 2026 source.android.com
- Pixel Security Bulletin October 2026 source.android.com
- Samsung October 2026 security patch release notes www.sammyfans.com
- TechRepublic: Samsung October 2026 security update www.techrepublic.com
- DigitBin Pixel update tracker www.digitbin.com
- HOL Guard: CISA ADP Vulnrichment record (mirror) hol.org
- CVE.org record mirror cve.threatint.com
- Droid-Life: Pixel 6 and 7 update schedule www.droid-life.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 2 Nov 2026, 06:26.
Original description (NVD)
In multiple locations, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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