CVE-2025-26633

CRITICALNVD 7.09.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-03-11), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.0 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: 30%CVSS: 7.0Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · public exploitExposed: 0

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

Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.

CVSS v3
7.0
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
30%
EPSS %ILE
98%
KEV
⚠ Exploited

Published

March 11, 2025

Last Modified

August 5, 2026

Advisory Details (4)

Auto-updated Jun 11, 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-2025-26633
generic

CVE-2025-26633 - Security Feature Bypass in Microsoft Management Console - Mitigation Script - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-26633-security-feature-bypass-in-microsoft-management-console-mitigation-script
generic

CVE-2025-26633 - Security Feature Bypass in Microsoft Management Console - Detection Script - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-26633-security-feature-bypass-in-microsoft-management-console-detection-script
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-2025-26633

Vendor Advisories for CVE-2025-26633(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 91× in last 7d / 384× 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 1,363 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-52498
    First seen Apr 8, 2026

    Microsoft MMC MSC EvilTwin - Local Admin Creation

    Open source ↗
  • GitHub PoCmbanyamer/MSC-EvilTwin-Local-Privilege-Escalation
    First seen Nov 22, 2025

    CVE-2025-26633 (CVSS 7.8) – Zero-day MMC .msc EvilTwin LPE actively exploited by Water Gamayun APT. PoC creates local admin via malicious MSC file on unpatched Windows 10/11/Server. Patched March 2025. Authorized testing only.

    Open source ↗
  • GitHub PoCsandsoncosta/CVE-2025-26633
    First seen Apr 8, 2025
    Open source ↗

Frequently asked(6)

What is CVE-2025-26633?
CVE-2025-26633 is a critical vulnerability published on March 11, 2025. Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.
When was CVE-2025-26633 disclosed?
CVE-2025-26633 was first published in the National Vulnerability Database on March 11, 2025, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-26633 actively exploited?
Yes. CISA added CVE-2025-26633 to the Known Exploited Vulnerabilities catalog on March 11, 2025, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-26633?
CVE-2025-26633 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2025-26633?
CVE-2025-26633 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-2025-26633?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-26633, 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-2025-26633

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