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CVE-2026-96323

7.0High

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

7.0High
Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
None
Impact
Full C/I/A compromise
Weakness
CWE-416

Impact

A local attacker with an existing low-privileged account can gain SYSTEM privileges. They need local access and specific timing to exploit this.

Root cause

A use-after-free memory corruption flaw exists within the Windows Update service.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the Microsoft security update for Windows Update referenced in MSRC advisory CVE-2026-96323. No interim mitigation is documented.

shell
$ USOClient StartInteractiveScan

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Use after free in Windows Update allows an authorized attacker to elevate privileges locally.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-96323

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