CVE-2025-47981Heap-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
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

NVDmicrosoft/windows< 10.0.14393.8246+5
NVDmicrosoft/windows_10_1507< 10.0.10240.21073
NVDmicrosoft/windows_10_1607< 10.0.14393.8246
NVDmicrosoft/windows_10_1809< 10.0.17763.7558
NVDmicrosoft/windows_10_21h2< 10.0.19044.6093

🔴Vulnerability Details

2
GHSA
GHSA-75vh-4rgj-m3j3: Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network2025-07-08
CVEList
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability2025-07-08

📋Vendor Advisories

1
Microsoft
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability2025-07-08
CVE-2025-47981 — Heap-based Buffer Overflow | cvebase