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Vulnerability Intelligence

CVE-2022-26925

MediumExploitedPublic exploit

Windows LSA Spoofing Vulnerability

Published May 16, 2022 · Updated Oct 21, 2025

Key Facts

Patch immediately
  • CVE-2022-26925 is a medium-severity vulnerability (CVSS 5.9 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since May 10, 2022 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 10% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1507 10.0.10240.19297, Windows 10 1607 10.0.14393.5125, Windows 10 1809 10.0.17763.2928.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

5.9

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS (30-day exploit likelihood)

10%

Higher than 95.7% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-26925 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Windows LSA Spoofing Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVJul 1, 2022Jul 22, 2022Not reported
Industry KEV feedMay 10, 2022Jul 22, 2022Known
CIRCL KEVJul 1, 2022Jul 22, 2022Not reported
ENISA EUVDJul 1, 2022n/aNot reported

Required action: Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch].

Affected Products

45 affected entries in total
ProductAffected versionsFixed in
Windows 10 1507MicrosoftSee advisory10.0.10240.19297
Windows 10 1607MicrosoftSee advisory10.0.14393.5125
Windows 10 1809MicrosoftSee advisory10.0.17763.2928
Windows 10 1909MicrosoftSee advisory10.0.18363.2274
Windows 10 20h2MicrosoftSee advisory10.0.19042.1706
20 more affected products in the full CVE brief

Patched Releases

Windows 10 1507

10.0.10240.19297

Windows 10 1607

10.0.14393.5125

Windows 10 1809

10.0.17763.2928

Windows 10 1909

10.0.18363.2274

Windows 10 20h2

10.0.19042.1706

Windows 10 21h1

10.0.19043.1706

Windows 10 21h2

10.0.19044.1706

Windows 11 21h2

10.0.22000.675

Windows Server 2016

10.0.14393.5125

Windows Server 2019

10.0.17763.2928

Windows Server 2022

10.0.20348.707

Windows Server 20h2

10.0.19042.1706

Windows 10 Version 1507

10.0.10240.19297

Windows 10 Version 1607

10.0.14393.5125

Windows 10 Version 1809

10.0.17763.2928

Windows 10 Version 1909

10.0.18363.2274

Windows 10 Version 20H2

10.0.19042.1706

Windows 10 Version 21H1

10.0.19043.1706

Windows 10 Version 21H2

10.0.19043.1706

Windows 11 version 21H2

10.0.22000.675

Windows 7

6.1.7601.25954

Windows 7 Service Pack 1

6.1.7601.25954

Windows 8.1

6.3.9600.20371

Windows Server 2008 Service Pack 2

6.0.6003.21481

Windows Server 2008 R2 Service Pack 1

6.1.7601.25954

Timeline

  1. Added to Industry KEV feed

    May 10, 2022

  2. Publicly disclosed

    May 16, 2022

  3. Added to CISA KEV

    Jul 1, 2022

  4. Added to CIRCL KEV

    Jul 1, 2022

  5. Added to ENISA EUVD

    Jul 1, 2022

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-306 Missing Authentication for Critical Function

References

15 more references in the full CVE brief

FAQ

Common Questions.

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