CVE-2026-83505
7.0
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.0 / Impact: 5.9
Source: secure@microsoft.com (Secondary)
Description
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
Related CWEs
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
CWE-426
Untrusted Search Path
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.
References (1)
Source: secure@microsoft.com
Timeline
No history available yet.