CVE-2025-47981 — Heap-based Buffer Overflow in Microsoft Windows 10 Version 1507
Severity
9.8CRITICALNVD
EPSS
2.0%
top 16.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 8
Description
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9
Affected Packages25 packages
🔴Vulnerability Details
2📋Vendor Advisories
1Microsoft▶
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability↗2025-07-08