CVE-2026-88188
7.8HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
7.8High
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-125
Impact
A local authenticated attacker can elevate privileges to system level. They need existing local access with low privileges to execute code.
Root cause
An out-of-bounds read flaw exists in the Windows DWM Core Library.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Install the official Windows security update from the MSRC advisory; no interim workarounds or configuration mitigations are documented.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
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NVD description
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88188PatchVendor Advisory