CVE-2022-21882

Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 1 article Published: 2022-01-11
VulnLookup ↗ NVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-24
89.11%
probability
This CVE has a 89.11% probability of being exploited in the next 30 days.
0% Top 99.5th percentile of all CVEs 100%

CVSS v3.1

Source: VulnerabilityLookup (CIRCL)
7.0
HIGH
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Temporal
Exploit Code Maturity
Unproven
Remediation Level
Official Fix
Report Confidence
Confirmed
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Description

Project Zero
Win32k Elevation of Privilege

Affected Products

Microsoft
Windows 10 Version 1809
10.0.17763.0
Microsoft
Windows 10 Version 1809
10.0.0
Microsoft
Windows Server 2019
10.0.17763.0
Microsoft
Windows Server 2019 (Server Core installation)
10.0.17763.0
Microsoft
Windows 10 Version 1909
10.0.0

Attack Intelligence

Google Project Zero

Patched
Jan. 11, 2022
Reported by
Big CJTeam of Tianfu Cup & RyeLv (@b2ahex)
Root Cause Analysis
https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2022/CVE-2022-21882.html

Exploits & PoC

KaLendsi/CVE-2022-21882

win32k LPE

464
L4ys/CVE-2022-21882

PoC CVE-2022-21882 — L4ys/CVE-2022-21882

200
David-Honisch/CVE-2022-21882

CVE-2022-21882

8
r1l4-i3pur1l4/CVE-2022-21882

PoC CVE-2022-21882 — r1l4-i3pur1l4/CVE-2022-21882

6
4 repos — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 89.11%
CVSS v3.1 7.0
Mentions 1

CNA Information

CNA Assigner
microsoft
CNA Title
Win32k Elevation of Privilege Vulnerability

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Threat Actors 1

Lazarus Group
apt_group Information theft and espionage 🇰🇵 KP

Triage Info

Decided atMar 05, 2026
Published DateJan 11, 2022