CVE-2022-22047

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-07-12), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 19%CVSS: 7.8Exploit: cisa kev · ssvc active · epss top5pctExposed: 0

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

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

CVSS v3
7.8
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 PROB
19%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

July 12, 2022

Last Modified

October 30, 2025

Advisory Details (2)

Auto-updated Jun 3, 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-2022-22047
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-2022-22047

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 104× in last 7d / 449× 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 1,621 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2022-22047?
CVE-2022-22047 is a critical vulnerability published on July 12, 2022. Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
When was CVE-2022-22047 disclosed?
CVE-2022-22047 was first published in the National Vulnerability Database on July 12, 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-2022-22047 actively exploited?
Yes. CISA added CVE-2022-22047 to the Known Exploited Vulnerabilities catalog on July 12, 2022, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-22047?
CVE-2022-22047 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2022-22047?
CVE-2022-22047 affects Microsoft Windows. 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-2022-22047?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-22047, 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-2022-22047

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