CVE-2022-41091

CRITICALNVD 5.49.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-11-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 5.4 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: 2%CVSS: 5.4Exploit: cisa kev · ssvc active · kev ransomwareExposed: 0

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

Windows Mark of the Web Security Feature Bypass Vulnerability

CVSS v3
5.4
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
2%
EPSS %ILE
79%
KEV
⚠ Exploited

Published

November 9, 2022

Last Modified

August 10, 2026

Advisory Details (2)

Auto-updated Jun 13, 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-2022-41091
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-2022-41091

Weakness Classification(1)

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 93× in last 7d / 395× 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 1,285 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2022-41091?
CVE-2022-41091 is a critical vulnerability published on November 9, 2022. Windows Mark of the Web Security Feature Bypass Vulnerability
When was CVE-2022-41091 disclosed?
CVE-2022-41091 was first published in the National Vulnerability Database on November 9, 2022, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-41091 actively exploited?
Yes. CISA added CVE-2022-41091 to the Known Exploited Vulnerabilities catalog on November 8, 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-2022-41091?
CVE-2022-41091 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2022-41091?
CVE-2022-41091 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-2022-41091?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-41091, 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-2022-41091

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