CVE-2025-24990MicrosoftOperating systemsOctober 14, 2025

Microsoft Windows Untrusted Pointer Dereference Vulnerability

High 7.8Actively exploited

Description

Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
Microsoft
Product
Windows
CVE
CVE-2025-24990
Affected versions
Windows 10 Version 1507 10.0: from 10.0.10240.0 to 10.0.10240.21161 (excluded) — fixed in 10.0.10240.21161
Windows 10 Version 1607 10.0: from 10.0.14393.0 to 10.0.14393.8519 (excluded) — fixed in 10.0.14393.8519
Windows 10 Version 1809 10.0: from 10.0.17763.0 to 10.0.17763.7919 (excluded) — fixed in 10.0.17763.7919
Windows 10 Version 21H2 10.0: from 10.0.19044.0 to 10.0.19044.6456 (excluded) — fixed in 10.0.19044.6456
Windows 10 Version 22H2 10.0: from 10.0.19045.0 to 10.0.19045.6456 (excluded) — fixed in 10.0.19045.6456
Windows 11 version 22H2 10.0: from 10.0.22621.0 to 10.0.22621.6060 (excluded) — fixed in 10.0.22621.6060
Windows 11 Version 23H2 10.0: from 10.0.22631.0 to 10.0.22631.6060 (excluded) — fixed in 10.0.22631.6060
Windows 11 Version 24H2 10.0: from 10.0.26100.0 to 10.0.26100.6899 (excluded) — fixed in 10.0.26100.6899
Windows 11 Version 25H2 10.0: from 10.0.26200.0 to 10.0.26200.6899 (excluded) — fixed in 10.0.26200.6899
Windows Server 2008 R2 Service Pack 1 6.1: from 6.1.7601.0 to 6.1.7601.27974 (excluded) — fixed in 6.1.7601.27974
Windows Server 2008 R2 Service Pack 1 (Server Core installat 6.1: from 6.1.7601.0 to 6.1.7601.27974 (excluded) — fixed in 6.1.7601.27974
Windows Server 2008 Service Pack 2 6.0: from 6.0.6003.0 to 6.0.6003.23571 (excluded) — fixed in 6.0.6003.23571
Windows Server 2008 Service Pack 2 (Server Core installation 6.0: from 6.0.6003.0 to 6.0.6003.23571 (excluded) — fixed in 6.0.6003.23571
Windows Server 2012 6.2: from 6.2.9200.0 to 6.2.9200.25722 (excluded) — fixed in 6.2.9200.25722
Windows Server 2012 (Server Core installation) 6.2: from 6.2.9200.0 to 6.2.9200.25722 (excluded) — fixed in 6.2.9200.25722
Windows Server 2012 R2 6.3: from 6.3.9600.0 to 6.3.9600.22824 (excluded) — fixed in 6.3.9600.22824
Windows Server 2012 R2 (Server Core installation) 6.3: from 6.3.9600.0 to 6.3.9600.22824 (excluded) — fixed in 6.3.9600.22824
Windows Server 2016 10.0: from 10.0.14393.0 to 10.0.14393.8519 (excluded) — fixed in 10.0.14393.8519
Windows Server 2016 (Server Core installation) 10.0: from 10.0.14393.0 to 10.0.14393.8519 (excluded) — fixed in 10.0.14393.8519
Windows Server 2019 10.0: from 10.0.17763.0 to 10.0.17763.7919 (excluded) — fixed in 10.0.17763.7919
Windows Server 2019 (Server Core installation) 10.0: from 10.0.17763.0 to 10.0.17763.7919 (excluded) — fixed in 10.0.17763.7919
Windows Server 2022 10.0: from 10.0.20348.0 to 10.0.20348.4294 (excluded) — fixed in 10.0.20348.4294
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0: from 10.0.25398.0 to 10.0.25398.1913 (excluded) — fixed in 10.0.25398.1913
Windows Server 2025 10.0: from 10.0.26100.0 to 10.0.26100.6899 (excluded) — fixed in 10.0.26100.6899
Windows Server 2025 (Server Core installation) 10.0: from 10.0.26100.0 to 10.0.26100.6899 (excluded) — fixed in 10.0.26100.6899 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
7.8
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
November 4, 2025 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
October 14, 2025

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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