CVE-2022-21882

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.592 · 99 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 6 exploits · PoC

Likely / severe?

59.2% (99th) EPSS

CVSS 7.2 · high

Is it mine?

73 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

added 2022-02-04remediate by 2022-02-18

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Win32k Privilege Escalation Vulnerability

Win32k Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1909 for 32-bit Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 1909 for ARM64-based Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 1909 for x64-based Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for 32-bit Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for ARM64-based Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for x64-based Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.434:Security Update:https://support.microsoft.com/help/5009566
https://support.microsoft.com/help/5009566
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.434:Security Update:https://support.microsoft.com/help/5009566
https://support.microsoft.com/help/5009566
FixedWindows Server 2019msrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows Server 2022msrc_csaf
10.0.20348.469:Security Update:https://support.microsoft.com/help/5009555
https://support.microsoft.com/help/5009555
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.469:Security Update:https://support.microsoft.com/help/5009555
https://support.microsoft.com/help/5009555
FixedWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-269US

exploits (6)

Public proof-of-concept and weaponised exploit code.

exploit/windows/local/cve_2022_21882_win32kWin32k ConsoleControl Offset ConfusionPoC · metasploit
David-Honisch/CVE-2022-21882CVE-2022-21882PoC · poc_in_github
KaLendsi/CVE-2022-21882win32k LPE PoC · poc_in_github
L4ys/CVE-2022-21882L4ys/CVE-2022-21882PoC · poc_in_github
r1l4-i3pur1l4/CVE-2022-21882r1l4-i3pur1l4/CVE-2022-21882PoC · poc_in_github
sailay1996/cve-2022-21882-poclpe poc for cve-2022-21882 PoC · poc_in_github

affected products (73)

Products and version ranges known to be affected.

Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.2037enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1466enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1466enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.1466enisa_euvdEU
Microsoft Windows 11 version 21H210.0.0 → 10.0.22000.434enisa_euvdEU
Microsoft Windows Server 201910.0.17763.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows Server 2019 (Server Core installation)10.0.17763.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows Server 202210.0.20348.0 → 10.0.20348.469enisa_euvdEU
Microsoft Windows Server version 20H210.0.0 → 10.0.19042.1466enisa_euvdEU
Microsoft Corp Windows 10 1809all versionsfstec_bduRU
Microsoft Corp Windows 10 1909all versionsfstec_bduRU
Microsoft Corp Windows 10 20H2all versionsfstec_bduRU
Microsoft Corp Windows 10 21H1all versionsfstec_bduRU
Microsoft Corp Windows 10 21H2all versionsfstec_bduRU
Microsoft Corp Windows 11all versionsfstec_bduRU
Microsoft Corp Windows Server 2019all versionsfstec_bduRU
Microsoft Corp Windows Server 2019 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2022all versionsfstec_bduRU

showing 20 of 73

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-21882Win32k Elevation of Privilege Vulnerability2022-01-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf NVD CVE.org MITRE

published 2022-01-11modified 2026-08-15

related (16,124)

Related entries.

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+16119 more

references (10)

External citations — patches, advisories, analysis.

scry

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