CVE-2025-47981: SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
Other sources
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
— Microsoft
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-47981?
CVE-2025-47981 has a high severity rating due to its potential for remote code execution via a heap-based buffer overflow.
How do I fix CVE-2025-47981?
Fix CVE-2025-47981 by applying the latest security updates and patches provided by Microsoft for the affected Windows Server and Windows versions.
Which systems are affected by CVE-2025-47981?
CVE-2025-47981 affects multiple versions of Microsoft Windows, including Windows Server 2008, 2012, 2016, 2019, 2022, and certain editions of Windows 10 and Windows 11.
Can CVE-2025-47981 allow unauthorized access to my system?
Yes, CVE-2025-47981 enables unauthorized attackers to execute code on affected systems, thus posing a significant security risk.
Is there any workaround for CVE-2025-47981 pending updates?
There are currently no official workarounds for CVE-2025-47981, so users should prioritize applying available patches as soon as possible.