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Medium severity · published Apr 14, 2026
CVE-2026-27925
Windows UPnP Device Host Information Disclosure Vulnerability
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to disclose information over an adjacent network.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 10 Version 1607 · Microsoft
10.0.14393.0 before 10.0.14393.9060 · source: vendor
W1
Windows 10 Version 1809 · Microsoft
10.0.17763.0 before 10.0.17763.8644 · source: vendor
W1
Windows 10 Version 21H2 · Microsoft
10.0.19044.0 before 10.0.19044.7184 · source: vendor
W1
Windows 10 Version 22H2 · Microsoft
10.0.19045.0 before 10.0.19045.7184 · source: vendor
W1
Windows 11 Version 24H2 · Microsoft
10.0.26100.0 before 10.0.26100.8246 · source: vendor
W1
Windows 11 Version 25H2 · Microsoft
10.0.26200.0 before 10.0.26200.8246 · source: vendor
W1
Windows 11 version 23H2 · Microsoft
10.0.22631.0 before 10.0.22631.6936; 10.0.22631.0 before 10.0.22631.6936 · source: vendor
W1
Windows 11 version 26H1 · Microsoft
10.0.28000.0 before 10.0.28000.1836 · source: vendor
WS
Windows Server 2012 · Microsoft
6.2.9200.0 before 6.2.9200.26026 · source: vendor, NVD
WS
Windows Server 2012 (Server Core installation) · Microsoft
6.2.9200.0 before 6.2.9200.26026 · source: vendor
WS
Windows Server 2012 R2 · Microsoft
6.3.9600.0 before 6.3.9600.23132 · source: vendor
WS
Windows Server 2012 R2 (Server Core installation) · Microsoft
6.3.9600.0 before 6.3.9600.23132 · source: vendor
Affected product
W1
Windows 10 Version 1607
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27925
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27925
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27925
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