CVE-2022-21882

Win32k Elevation of Privilege Vulnerability

CVSS v3.1

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

CVSS v3.1

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

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

55.71% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2022-02-04, used in ransomware campaigns

Published

2022-01-11

Updated

2026-08-15

Proof-of-concept exploits (7)

• David-Honisch/CVE-2022-218828★ · 2022-02-01
• KaLendsi/CVE-2022-21882461★ · 2022-01-27
• L4ys/CVE-2022-21882197★ · 2022-02-04
• jessica0f0116/cve_2022_21882-cve_2021_17324★ · 2022-10-17
• r1l4-i3pur1l4/CVE-2022-218826★ · 2022-02-15
• sailay1996/cve-2022-21882-poc49★ · 2022-02-07
• Al1ex/WindowsElevation

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/cve_2022_21882_win…

References

• CVE Record
• NVD entry

Related

• CVE-2020-1020
• CVE-2020-1054
• CVE-2021-1732
• CVE-2021-34486
• CVE-2021-40449
• CVE-2021-43224