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 106× in last 7d / 446× 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 1,455 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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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