CVEs / CVE-2022-26925
CVE-2022-26925: Microsoft Windows LSA Spoofing Vulnerability
- Known exploited in the CISA KEV catalog since 1 Jul 2022
- medium 5.9 CVSS 3.1 (NVD)
- EPSS 10.4% chance of exploitation in the next 30 days, higher than 95% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Local Security Authority (LSA) contains a spoofing vulnerability where an attacker can coerce the domain controller to authenticate to the attacker using NTLM.
Description
Windows LSA Spoofing Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.2928 | 10.0.17763.2928 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.2928 | 10.0.17763.2928 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.2928 | 10.0.17763.2928 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.2928 | 10.0.17763.2928 |
| Microsoft Windows 10 Version 1909 | from 10.0.0, before 10.0.18363.2274 | 10.0.18363.2274 |
| Microsoft Windows 10 Version 21H1 | from 10.0.0, before 10.0.19043.1706 | 10.0.19043.1706 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.707 | 10.0.20348.707 |
| Microsoft Windows 10 Version 20H2 | from 10.0.0, before 10.0.19042.1706 | 10.0.19042.1706 |
| Microsoft Windows Server version 20H2 | from 10.0.0, before 10.0.19042.1706 | 10.0.19042.1706 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.675 | 10.0.22000.675 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19043.1706 | 10.0.19043.1706 |
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.19297 | 10.0.10240.19297 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.5125 | 10.0.14393.5125 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.5125 | 10.0.14393.5125 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.5125 | 10.0.14393.5125 |
| Microsoft Windows 7 | from 6.1.0, before 6.1.7601.25954 | 6.1.7601.25954 |
| Microsoft Windows 7 Service Pack 1 | from 6.1.0, before 6.1.7601.25954 | 6.1.7601.25954 |
| Microsoft Windows 8.1 | from 6.3.0, before 6.3.9600.20371 | 6.3.9600.20371 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.21481 | 6.0.6003.21481 |
| Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | from 6.0.6003.0, before 6.0.6003.21481 | 6.0.6003.21481 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.21481 | 6.0.6003.21481 |
| Microsoft Windows Server 2008 R2 Service Pack 1 | from 6.1.7601.0, before 6.1.7601.25954 | 6.1.7601.25954 |
| Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | from 6.1.7601.0, before 6.1.7601.25954 | 6.1.7601.25954 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.23714 | 6.2.9200.23714 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.23714 | 6.2.9200.23714 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.20371 | 6.3.9600.20371 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.20371 | 6.3.9600.20371 |
Exploitation
| In CISA KEV since | 1 Jul 2022 |
|---|---|
| Due date for US federal agencies | 22 Jul 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply remediation actions outlined in CISA guidance [https://www.cisa.gov/guidance-applying-june-microsoft-patch]. |
Severity
| CVSS 3.1 | 5.9 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NScored by NVD |
|---|---|
| Weakness | CWE-306 |
References
- CVE-2022-26925 on NVD
- CVE-2022-26925 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26925 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26925 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26925 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.