CVE-2026-81963CISA KEVEPSS p31.2%

CVE-2026-81963Microsoft Windows Link Following Vulnerability

Microsoft / Windows

Description

Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 31.2% · 2026-10-05T12:00:23Z
Last modified2026-09-09

CISA KEV entry

Added to KEV: 2026-09-08

Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.