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Fencer Intel
high 7.8

CVE-2025-62455 json

Microsoft Message Queuing (MSMQ) Elevation of Privilege Vulnerability

published 11mo ago modified last mo. also EUVD-2025-202231

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Improper input validation in Windows Message Queuing allows an authorized attacker to elevate privileges locally.

Patch / fix

  • Microsoft Windows 10 Version 1607 10.0.14393.8688
  • Microsoft Windows 10 Version 1809 10.0.17763.8146
  • Microsoft Windows 10 Version 21H2 10.0.19044.6691
  • Microsoft Windows 10 Version 22H2 10.0.19045.6691
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.28064
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.28064
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.23666
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.23666
  • Microsoft Windows Server 2012 6.2.9200.25815
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25815
  • Microsoft Windows Server 2012 R2 6.3.9600.22920
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22920
  • Microsoft Windows Server 2016 10.0.14393.8688
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8688
  • Microsoft Windows Server 2019 10.0.17763.8146
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.8146

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
10mo ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Microsoft Windows 10 Version 1607
  • Microsoft Windows 10 Version 1809
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.