Windows Win32k Elevation of Privilege Vulnerability
Plan PatchCVSS 7CVE-2026-70144Oct 13, 2026
Microsoft
IT in OT - Windows Server and Active Directory are widely deployed in OT environments
Attack path
Attack VectorLocal
Auth RequiredLow
ComplexityHigh
User InteractionNone needed
Summary
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
What this means
What could happen
Could allow full system compromise — read data, modify settings, and disrupt operations
Who's at risk
Organizations in critical infrastructure using Microsoft equipment
How it could be exploited
Attacker would need local or console access to the device with basic access credentials
Exploitability
Unlikely to be exploited — EPSS score 0.3%
Affected products (12)
12 with fix
ProductAffected VersionsFix Status
Remediation & Mitigation
0/1
Long-term hardening
0/1Exploitation assessment: Exploitation More Likely. Apply the 2026-Oct security update.
CVEs (1)
↑↓ Navigate · Esc Close
API:
/api/v1/advisories/b082a431-c0f2-454b-862d-c35f7dafcaeaGet OTPulse briefings by email
Advisory breakdowns and incident analyses for the people actually defending OT environments. Sent when there's something worth your attention, not on a schedule. Free, no account required.