CVE-2021-36934CISA KEVEPSS p99.3%

CVE-2021-36934Microsoft Windows SAM Local Privilege Escalation Vulnerability

Microsoft / Windows

Description

If a Volume Shadow Copy (VSS) shadow copy of the system drive is available, users can read the SAM file which would allow any user to escalate privileges to SYSTEM level.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS67.25% probability of exploitation · percentile 99.3% · 2026-10-03T12:00:21Z
Last modified2026-08-10

CISA KEV entry

Added to KEV: 2022-02-10

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Windows SAM Local Privilege Escalation Vulnerabilitykev-cve-2021-369340%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-33067
CVE
Microsoft Windows Privilege Escalation Vulnerability
CVE
Microsoft Windows Kernel Privilege Escalation Vulnerability
CVE
Microsoft Windows User Profile Service Privilege Escalation Vulnerability
CVE
Microsoft Windows NTFS Privilege Escalation Vulnerability
CVE
CVE-2026-40369
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.