CVE-2025-26633

HIGHNVD 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
7.0
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 32%CVSS: 7.0Exploit: NoneExposed: 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
98.1%
KEV
⚠ Exploited

Published

March 11, 2025

Last Modified

October 27, 2025

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 / 379× 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 661 total refreshes for this CVE.

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

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 ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2025-26633?
CVE-2025-26633 is a high 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 October 27, 2025. 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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