CVE-2025-26665
published 2025-04-08CVE-2025-26665: Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.
PriorityP434high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.31%
22.8th percentile
Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20978 | 10.0.10240.20978 |
| microsoft | windows_10_1607 | < 10.0.14393.7969 | 10.0.14393.7969 |
| microsoft | windows_10_1809 | < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_10_21h2 | < 10.0.19044.5737 | 10.0.19044.5737 |
| microsoft | windows_10_22h2 | < 10.0.19045.5737 | 10.0.19045.5737 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.20978 | 10.0.10240.20978 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.7969 | 10.0.14393.7969 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7136 | 10.0.17763.7136 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.5737 | 10.0.19044.5737 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.5737 | 10.0.19045.5737 |
| microsoft | windows_11_22h2 | < 10.0.22621.5189 | 10.0.22621.5189 |
| microsoft | windows_11_23h2 | < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_24h2 | < 10.0.26100.3775 | 10.0.26100.3775 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5189 | 10.0.22621.5189 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.5189 | 10.0.22631.5189 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3775 | 10.0.26100.3775 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27670 | 6.1.7601.27670 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23220 | 6.0.6003.23220 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25423 | 6.2.9200.25423 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22523 | 6.3.9600.22523 |
| microsoft | windows_server_2016 | < 10.0.14393.7969 | 10.0.14393.7969 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.7969 | 10.0.14393.7969 |
CVSS provenance
nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.0HIGH
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Microsoft
Windows upnphost.dll Elevation of Privilege Vulnerability
vendor_msrc·2025-04-08·CVSS 7.0
CVE-2025-26665 [HIGH] CWE-591 Windows upnphost.dll Elevation of Privilege Vulnerability
Windows upnphost.dll Elevation of Privilege Vulnerability
Description: Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
FAQ: Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available?
Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-b
GHSA
GHSA-xp88-vp78-mqm7: Sensitive data storage in improperly locked memory in Windows upnphost
ghsa_unreviewed·2025-04-08
CVE-2025-26665 [HIGH] CWE-591 GHSA-xp88-vp78-mqm7: Sensitive data storage in improperly locked memory in Windows upnphost
Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally.
No detection rules found.
No public exploits indexed.
2025-04-08
Published