CVE-2025-21285
HighMicrosoft Message Queuing (MSMQ) Denial of Service Vulnerability
Published Jan 13, 2025 · Updated Jun 9, 2026
Key Facts
Patch immediately- CVE-2025-21285 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 56% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows 10 1507 10.0.10240.20890, Windows 10 1607 10.0.14393.7699, Windows 10 1809 10.0.17763.6775.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
56%
Higher than 99.0% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2025-21285 brief as a PDF
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Description
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Affected Products
45 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1507Microsoft | See advisory | 10.0.10240.20890 |
| Windows 10 1607Microsoft | See advisory | 10.0.14393.7699 |
| Windows 10 1809Microsoft | See advisory | 10.0.17763.6775 |
| Windows 10 21h2Microsoft | See advisory | 10.0.19044.5371 |
| Windows 10 22h2Microsoft | See advisory | 10.0.19045.5371 |
Patched Releases
Windows 10 1507
10.0.10240.20890
Windows 10 1607
10.0.14393.7699
Windows 10 1809
10.0.17763.6775
Windows 10 21h2
10.0.19044.5371
Windows 10 22h2
10.0.19045.5371
Windows 11 22h2
10.0.22621.4751
Windows 11 23h2
10.0.22631.4751
Windows 11 24h2
10.0.26100.2894
Windows Server 2016
10.0.14393.7699
Windows Server 2019
10.0.17763.6775
Windows Server 2022
10.0.20348.3091
Windows Server 2022 23h2
10.0.25398.1369
Windows Server 2025
10.0.26100.2894
Windows 10 Version 1507
10.0.10240.20890
Windows 10 Version 1607
10.0.14393.7699
Windows 10 Version 1809
10.0.17763.6775
Windows 10 Version 21H2
10.0.19044.5371
Windows 10 Version 22H2
10.0.19045.5371
Windows 11 version 22H2
10.0.22621.4751
Windows 11 version 22H3
10.0.22631.4751
Windows 11 Version 23H2
10.0.22631.4751
Windows 11 Version 24H2
10.0.26100.2894
Windows Server 2008 R2 Service Pack 1
6.1.7601.27520
Windows Server 2008 R2 Service Pack 1 (Server Core installation)
6.1.7601.27520
Windows Server 2008 Service Pack 2
6.0.6003.23070
Timeline
Publicly disclosed
Jan 13, 2025
Last updated
Jun 9, 2026
Weakness Type
- CWE-476 NULL Pointer Dereference
References
FAQ
Common Questions.
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Affected: Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft); Windows 10 1809 (Microsoft), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Windows 10 1507 10.0.10240.20890, Windows 10 1607 10.0.14393.7699, Windows 10 1809 10.0.17763.6775.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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