Cyber Resilience

CVE-2025-48821

High

Published: 08 July 2025

Published
08 July 2025
Modified
15 July 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.1 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0040 61.0th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-48821 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 7.1 (High).

Operationally, ranked in the top 39.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10 1507
≤ 10.0.10240.21073 · ≤ 10.0.10240.21073
microsoft
windows 10 1607
≤ 10.0.14393.8246 · ≤ 10.0.14393.8246
microsoft
windows 10 1809
≤ 10.0.17763.7558 · ≤ 10.0.17763.7558
microsoft
windows 10 21h2
≤ 10.0.19044.6093
microsoft
windows 10 22h2
≤ 10.0.19045.6093
microsoft
windows 11 22h2
≤ 10.0.22621.5624
microsoft
windows 11 23h2
≤ 10.0.22631.5624
microsoft
windows 11 24h2
≤ 10.0.26100.4652
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References