CVE-2022-41091

MEDIUMNVD 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
5.4
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 2%CVSS: 5.4Exploit: NoneExposed: 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)
EPSS
78.3%
KEV
⚠ Exploited

Published

November 9, 2022

Last Modified

October 30, 2025

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 130× in last 7d / 545× 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 804 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2022-41091?
CVE-2022-41091 is a medium 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 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-2022-41091 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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