CVE-2026-83702

high

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

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

CVSS

7.0

7.0 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (secure@microsoft.com)

Timeline (UTC)

Published: 2026-10-13 19:20

Modified: 2026-10-16 16:21

NVD status: Undergoing Analysis

Last synced 1 day ago

Verified against the source API 2026-10-27 07:00 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

No vendor advisory or patch reference tagged by NVD. Check the references below.

NVD CVE API 2.0 — fetched 2026-10-27 07:00 UTC · record ↗