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

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 60× in last 7d / 357× 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 715 total refreshes for this CVE.

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

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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 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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