Multiple Microsoft Windows Vulnerabilities

Severity

High

Analysis Summary

CVE-2025-21296 CVSS:7.5

Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the BranchCache component.

CVE-2025-21294 CVSS:8.1

Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the Digest Authentication component.

CVE-2025-21291 CVSS:8.8

Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by a double free flaw in the Direct Show component.

CVE-2025-21276 CVSS:7.5

Microsoft Windows is vulnerable to a denial of service, caused by a flaw in the MapUrlToZone component.

CVE-2025-21273 CVSS:8.8

Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by a heap-based buffer overflow in the Telephony Service component.

CVE-2025-21292 CVSS:8.8

Microsoft Windows could allow a local authenticated attacker to gain elevated privileges on the system, caused by a flaw in the Search Service component.

CVE-2025-21224 CVSS:8.1

Microsoft Windows Line Printer Daemon (LPD) Service could allow a remote attacker to execute arbitrary code on the system when winning a race condition.

CVE-2025-21297 CVSS:8.1

Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the Remote Desktop Services component.

Impact

Code Execution

Indicators of Compromise

CVE

CVE-2025-21296
CVE-2025-21294
CVE-2025-21291
CVE-2025-21276
CVE-2025-21273
CVE-2025-21292
CVE-2025-21224
CVE-2025-21297

Affected Vendors

Microsoft

Affected Products

Microsoft Windows Server 2022
Microsoft Windows 10 Version 1809 - 10.0.17763.0
Microsoft Windows Server 2019 - 10.0.17763.0
Microsoft Windows Server 2019 (Server Core installation) - 10.0.17763.0
Microsoft Windows Server 2022 - 10.0.20348.0
Microsoft Windows Server 2025 (Server Core installation) - 10.0.26100.0
Microsoft Windows 11 version 22H3 - 10.0.22631.0
Microsoft Windows Server 2012 R2 - 6.3.9600.0
Microsoft Windows Server 2012 R2 (Server Core installation) - 6.3.9600.0
Microsoft Windows 11 Version 23H2 - 10.0.22631.0
Microsoft Windows Server 2012 - 6.2.9200.0
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) - 6.1.7601.0

Remediation

Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.