Vulnerability details
CVE-2025-26641
Microsoft Windows 10Microsoft Windows 11Microsoft Windows Server
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVSS 3.1
7.5High
Official description
Uncontrolled resource consumption in Windows Cryptographic Services allows an unauthorized attacker to deny service over a network.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (microsoft) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 ≤ v < 10.0.10240.20978 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 ≤ v < 10.0.14393.7969 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ≤ v < 10.0.17763.7136 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 ≤ v < 10.0.19044.5737 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 ≤ v < 10.0.19045.5737 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ≤ v < 10.0.26100.3775 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 ≤ v < 10.0.22621.5189 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 ≤ v < 10.0.22631.5189 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 ≤ v < 10.0.22631.5189 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 ≤ v < 6.1.7601.27670 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 ≤ v < 6.1.7601.27670 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 ≤ v < 6.0.6003.23220 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 ≤ v < 6.0.6003.23220 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2012 | 6.2.9200.0 ≤ v < 6.2.9200.25423 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 ≤ v < 6.2.9200.25423 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 ≤ v < 6.3.9600.22523 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 ≤ v < 6.3.9600.22523 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2016 | 10.0.14393.0 ≤ v < 10.0.14393.7969 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ≤ v < 10.0.14393.7969 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2019 | 10.0.17763.0 ≤ v < 10.0.17763.7136 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ≤ v < 10.0.17763.7136 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2022 | 10.0.20348.0 ≤ v < 10.0.20348.3453 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 ≤ v < 10.0.25398.1551 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2025 | 10.0.26100.0 ≤ v < 10.0.26100.3775 | CVEProject cvelistV5 (CNA) |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ≤ v < 10.0.26100.3775 | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26641 vendor-advisorypatch
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Details
- Published
- 2025-04-08
- Last updated
- 2026-08-10
- State
- Published
- Assigner (CNA)
- microsoft
Exploit prediction (EPSS)
2.27%
Probability of exploitation in 30 days
83%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-400Uncontrolled Resource Consumption