What is CVE-2025-48821?

CVE-2025-48821 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2025-48821 cover?

CVE-2025-48821 covers the following CVE IDs: CVE-2025-48821. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-48821?

CVE-2025-48821 has a CVSS v3 base score of 7.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-48821?

CVE-2025-48821 affects 37 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows 10 Version 21H2 for 32-bit Systems; and others — see the full list on the advisory page.

CVE-2025-48821HighCVSS 7.1

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

Vendor

Microsoft Security Response Center (MSRC)

Published

July 8, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-48821 →

📋 Description

Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

🎯 Affected products37

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
+7 more not shown

✅ Remediation

KB5062557 (Security Update) — fixed build 10.0.17763.7558 KB5062572 (Security Update) — fixed build 10.0.20348.3932 KB5062554 (Security Update) — fixed build 10.0.19044.6093 KB5062552 (Security Update) — fixed build 10.0.22621.5624 KB5062554 (Security Update) — fixed build 10.0.19045.6093 KB5062553 (Security Update) — fixed build 10.0.26100.4652 KB5062552 (Security Update) — fixed build 10.0.22631.5624 KB5062570 (Security Update) — fixed build 10.0.25398.1732 KB5062561 (Security Update) — fixed build 10.0.10240.21073 KB5062560 (Security Update) — fixed build 10.0.14393.8246 KB5062624 (Monthly Rollup) — fixed build 6.0.6003.23418 KB5062618 (Security Only) — fixed build 6.0.6003.23418 KB5062632 (Monthly Rollup) — fixed build 6.1.7601.27820 KB5062619 (Security Only) — fixed build 6.1.7601.27820 KB5062592 (Monthly Rollup) — fixed build 6.2.9200.25573 KB5062597 (Monthly Rollup) — fixed build 6.3.9600.22676

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products37

✅ Remediation

🔗 References (29)