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CVE-2025-27484

Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

HIGH
7.5
CVSS Score
Published: April 8, 2025 at 05:23 PM UTC
Updated: August 10, 2026 at 03:39 PM UTC
16 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

Description

Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1507· Microsoft
95%
v < 10.0.10240.2097810.0.10240.0 ≤ v < 10.0.10240.2097810.0.10240.0
Affected range stops below 10.0.10240.20978, so it looks safe — our inference, not a vendor statement
Windows 10 1607· Microsoft
95%
v < 10.0.14393.796910.0.14393.0 ≤ v < 10.0.14393.796910.0.14393.0
Affected range stops below 10.0.14393.7969, so it looks safe — our inference, not a vendor statement
Windows 10 1809· Microsoft
95%
v < 10.0.17763.713610.0.17763.0 ≤ v < 10.0.17763.713610.0.17763.0
Affected range stops below 10.0.17763.7136, so it looks safe — our inference, not a vendor statement
Windows 10 21H2· Microsoft
95%
v < 10.0.19044.573710.0.19044.0 ≤ v < 10.0.19044.573710.0.19044.0
Affected range stops below 10.0.19044.5737, so it looks safe — our inference, not a vendor statement
Windows 10 22H2· Microsoft
95%
v < 10.0.19045.573710.0.19045.0 ≤ v < 10.0.19045.573710.0.19045.0
Affected range stops below 10.0.19045.5737, so it looks safe — our inference, not a vendor statement
Windows 11 22H2· Microsoft
95%
v < 10.0.22621.518910.0.22621.0 ≤ v < 10.0.22621.518910.0.22621.0
Affected range stops below 10.0.22621.5189, so it looks safe — our inference, not a vendor statement
Windows 11 23H2· Microsoft
95%
v < 10.0.22631.518910.0.22631.0 ≤ v < 10.0.22631.518910.0.22631.0
Affected range stops below 10.0.22631.5189, so it looks safe — our inference, not a vendor statement
Windows 11 24H2· Microsoft
95%
v < 10.0.26100.377510.0.26100.0 ≤ v < 10.0.26100.377510.0.26100.0
Affected range stops below 10.0.26100.3775, so it looks safe — our inference, not a vendor statement
Windows Server 2008· Microsoft
95%
6.0.6003.0 ≤ v < 6.0.6003.232206.1.7601.0 ≤ v < 6.1.7601.276706.0.6003.06.1.7601.0r2 sp1sp2
Affected range stops below 6.0.6003.23220, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.27670, so it looks safe — our inference, not a vendor statement
Windows Server 2012· Microsoft
95%
6.2.9200.0 ≤ v < 6.2.9200.254236.3.9600.0 ≤ v < 6.3.9600.225236.2.9200.06.3.9600.0r2
Affected range stops below 6.2.9200.25423, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.22523, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27484

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-591

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