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6.7
CVE-2026-56889: Windows component may let local users gain System rights
CVE-2026-56889 · published 2 months ago
Summary
A coding error in several parts of the Windows software can let someone who already has access to the computer increase their privileges to the highest level, called System. This can be done automatically without any user action. Apply the latest security updates from Microsoft as soon as possible to close the gap.
What to do
- Update google :unknown: to version Pixel-family specific:2026-09-05.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | android | Android kernel | |
| Android | :unknown: |
>= Pixel-family specific:0, < Pixel-family specific:2026-09-05 Fix: upgrade to Pixel-family specific:2026-09-05
|
Original advisory text
In multiple locations, there is a possible permission bypass due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction i...
In multiple locations, there is a possible permission bypass due to an integer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References
- https://source.android.com/security/bulletin/2026-09-01 Vendor Advisory
- https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01 Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
6.7
Medium
Type
CWE-190Integer Overflow
Timeline
Published1 Sep 2026
Updated9 Oct 2026
First seen8 Sep 2026
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