CVE-2025-27481
Published: 08 April 2025
Summary
CVE-2025-27481 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 29.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
A stack-based buffer overflow vulnerability, tracked as CVE-2025-27481 and assigned CWE-121, affects the Windows Telephony Service. The flaw carries a CVSS 3.1 score of 8.8 and permits remote code execution when triggered over a network.
An unauthorized attacker can exploit the issue without authentication, though the attack requires user interaction. Successful exploitation grants the attacker the ability to execute arbitrary code with impacts to confidentiality, integrity, and availability.
The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27481 supplies official mitigation and patching guidance for the affected Windows component. The associated EPSS score remains low, with a current value of 0.0063 and a recorded peak of 0.0110.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-10187
Vulnerability details
Stack-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to execute code over a network.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.