Critical Heap-based Buffer Overflow Vulnerabilities in Windows Services

Api.Msrc.Microsoft

Critical Heap-based Buffer Overflow Vulnerabilities in Windows Services

First seen 10 Mar 2026, 17:28 UTC • •67.5

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ThreatCluster •March 12, 2026 at 16:10 UTC

Multiple heap-based buffer overflow vulnerabilities have been identified in various Windows services, including Telephony Service, Mobile Broadband, and File Server. These vulnerabilities allow unauthorized attackers to elevate privileges or execute code, posing significant risks to affected systems. Organizations using these Windows services are urged to assess their security posture and apply necessary mitigations.

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Updated 213d ago How this analysis works

Timeline

2026-03-10

CVE-2026 published with multiple vulnerabilities in Windows services

More articles in this cluster (3)

Threat Graph

4 entities, 3 inferred relationships (STIX 2.1).

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Technique (3)

Zero-day Exploit
T1068 - Exploitation for Privilege Escalation
T1203 - Exploitation for Client Execution

Affected Platform (1)

Windows

Relationships

Zero-day Exploit targets Windows
T1068 - Exploitation for Privilege Escalation targets Windows
T1203 - Exploitation for Client Execution targets Windows

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