CVE-2022-21882

HIGHNVD 7.09.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-02-04), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.0 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
7.0
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 55%CVSS: 7.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Win32k Elevation of Privilege Vulnerability

CVSS v3
7.0
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
98.9%
KEV
⚠ Exploited

Published

January 11, 2022

Last Modified

October 30, 2025

Advisory Details (4)

Auto-updated Jun 11, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882
generic

Packet Storm

http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 71× in last 7d / 387× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 738 total refreshes for this CVE.

  1. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 02:08 UTCEG score recompute
  3. 2026-07-22 22:28 UTCEG score recompute
  4. 2026-07-22 22:28 UTCVendor advisory
  5. 2026-07-22 22:28 UTCGHSA enrichment
  6. 2026-07-22 19:40 UTCCISA KEV update
  7. 2026-07-22 18:41 UTCGHSA enrichment
  8. 2026-07-22 14:54 UTCEG score recompute
  9. 2026-07-22 14:54 UTCVendor advisory
  10. 2026-07-22 14:54 UTCGHSA enrichment
  11. 2026-07-22 14:06 UTCEPSS rescore
  12. 2026-07-22 14:06 UTCEPSS rescore
  13. 2026-07-22 11:08 UTCVendor advisory
  14. 2026-07-22 11:08 UTCGHSA enrichment
  15. 2026-07-22 07:24 UTCVendor advisory
  16. 2026-07-22 07:24 UTCGHSA enrichment
  17. 2026-07-22 03:39 UTCVendor advisory
  18. 2026-07-22 03:39 UTCGHSA enrichment
  19. 2026-07-21 23:54 UTCVendor advisory
  20. 2026-07-21 23:53 UTCGHSA enrichment
  21. 2026-07-21 18:15 UTCEG score recompute
  22. 2026-07-21 18:15 UTCVendor advisory
  23. 2026-07-21 18:15 UTCGHSA enrichment
  24. 2026-07-21 15:22 UTCEPSS rescore
  25. 2026-07-21 15:22 UTCEPSS rescore
Show 75 more
  1. 2026-07-21 14:37 UTCCISA KEV update
  2. 2026-07-21 14:30 UTCVendor advisory
  3. 2026-07-21 14:30 UTCGHSA enrichment
  4. 2026-07-21 10:45 UTCVendor advisory
  5. 2026-07-21 10:44 UTCGHSA enrichment
  6. 2026-07-21 06:58 UTCVendor advisory
  7. 2026-07-21 06:58 UTCGHSA enrichment
  8. 2026-07-21 03:14 UTCVendor advisory
  9. 2026-07-21 03:14 UTCGHSA enrichment
  10. 2026-07-20 23:29 UTCVendor advisory
  11. 2026-07-20 23:29 UTCGHSA enrichment
  12. 2026-07-20 19:44 UTCEG score recompute
  13. 2026-07-20 19:44 UTCVendor advisory
  14. 2026-07-20 19:44 UTCGHSA enrichment
  15. 2026-07-20 17:05 UTCEPSS rescore
  16. 2026-07-20 15:59 UTCGHSA enrichment
  17. 2026-07-20 12:14 UTCGHSA enrichment
  18. 2026-07-20 08:30 UTCVendor advisory
  19. 2026-07-20 08:30 UTCGHSA enrichment
  20. 2026-07-20 04:44 UTCVendor advisory
  21. 2026-07-20 04:44 UTCGHSA enrichment
  22. 2026-07-20 01:00 UTCVendor advisory
  23. 2026-07-20 01:00 UTCGHSA enrichment
  24. 2026-07-19 21:15 UTCVendor advisory
  25. 2026-07-19 21:15 UTCGHSA enrichment
  26. 2026-07-19 17:30 UTCEG score recompute
  27. 2026-07-19 17:30 UTCVendor advisory
  28. 2026-07-19 17:30 UTCGHSA enrichment
  29. 2026-07-19 14:29 UTCEPSS rescore
  30. 2026-07-19 13:45 UTCVendor advisory
  31. 2026-07-19 13:45 UTCGHSA enrichment
  32. 2026-07-19 10:00 UTCVendor advisory
  33. 2026-07-19 10:00 UTCGHSA enrichment
  34. 2026-07-19 06:14 UTCVendor advisory
  35. 2026-07-19 06:14 UTCGHSA enrichment
  36. 2026-07-19 02:30 UTCEG score recompute
  37. 2026-07-19 02:30 UTCVendor advisory
  38. 2026-07-19 02:30 UTCGHSA enrichment
  39. 2026-07-19 02:27 UTCEPSS rescore
  40. 2026-07-18 22:45 UTCGHSA enrichment
  41. 2026-07-18 18:59 UTCVendor advisory
  42. 2026-07-18 18:59 UTCGHSA enrichment
  43. 2026-07-18 15:14 UTCVendor advisory
  44. 2026-07-18 15:14 UTCGHSA enrichment
  45. 2026-07-18 11:29 UTCVendor advisory
  46. 2026-07-18 11:29 UTCGHSA enrichment
  47. 2026-07-18 07:44 UTCVendor advisory
  48. 2026-07-18 07:44 UTCGHSA enrichment
  49. 2026-07-18 03:59 UTCVendor advisory
  50. 2026-07-18 03:59 UTCGHSA enrichment
  51. 2026-07-18 00:14 UTCVendor advisory
  52. 2026-07-18 00:14 UTCGHSA enrichment
  53. 2026-07-17 20:29 UTCVendor advisory
  54. 2026-07-17 20:29 UTCGHSA enrichment
  55. 2026-07-17 16:44 UTCVendor advisory
  56. 2026-07-17 16:44 UTCGHSA enrichment
  57. 2026-07-17 12:58 UTCVendor advisory
  58. 2026-07-17 12:58 UTCGHSA enrichment
  59. 2026-07-17 09:13 UTCEG score recompute
  60. 2026-07-17 09:13 UTCVendor advisory
  61. 2026-07-17 09:13 UTCGHSA enrichment
  62. 2026-07-17 05:28 UTCVendor advisory
  63. 2026-07-17 05:27 UTCGHSA enrichment
  64. 2026-07-17 01:42 UTCVendor advisory
  65. 2026-07-17 01:42 UTCGHSA enrichment
  66. 2026-07-16 21:56 UTCVendor advisory
  67. 2026-07-16 21:56 UTCGHSA enrichment
  68. 2026-07-16 18:11 UTCGHSA enrichment
  69. 2026-07-16 17:04 UTCCISA KEV update
  70. 2026-07-16 17:00 UTCEPSS rescore
  71. 2026-07-16 17:00 UTCEPSS rescore
  72. 2026-07-16 14:25 UTCVendor advisory
  73. 2026-07-16 14:25 UTCGHSA enrichment
  74. 2026-07-16 10:40 UTCVendor advisory
  75. 2026-07-16 10:39 UTCGHSA enrichment

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCr1l4-i3pur1l4/CVE-2022-21882
    First seen Feb 14, 2022
    Open source ↗
  • GitHub PoCsailay1996/cve-2022-21882-poc
    First seen Feb 7, 2022

    lpe poc for cve-2022-21882

    Open source ↗
  • GitHub PoCL4ys/CVE-2022-21882
    First seen Feb 3, 2022
    Open source ↗
  • GitHub PoCDavid-Honisch/CVE-2022-21882
    First seen Feb 1, 2022

    CVE-2022-21882

    Open source ↗
  • GitHub PoCKaLendsi/CVE-2022-21882
    First seen Jan 27, 2022

    win32k LPE

    Open source ↗
  • Metasploitexploit/windows/local/cve_2022_21882_win32k✓ verified
    First seen Feb 9, 2021

    Win32k ConsoleControl Offset Confusion

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2022-21882?
CVE-2022-21882 is a high vulnerability published on January 11, 2022. Win32k Elevation of Privilege Vulnerability
When was CVE-2022-21882 disclosed?
CVE-2022-21882 was first published in the National Vulnerability Database on January 11, 2022, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-21882 actively exploited?
Yes. CISA added CVE-2022-21882 to the Known Exploited Vulnerabilities catalog on February 4, 2022, affecting Microsoft Win32k. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-21882?
CVE-2022-21882 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2022-21882?
CVE-2022-21882 affects Microsoft Win32k. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-21882?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-21882, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2022-21882

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