CVE-2025-54895

CWE-190 — Integer OverflowCWE-3674 documents4 sources
Severity
7.8HIGH
EPSS
0.1%
top 77.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
32
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+29 more
Timeline
PublishedSep 9

Description

Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 1.1 | Impact: 6.0

Affected Packages31 packages

▶NVDmicrosoft/windows< 10.0.14393.8422+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.21128
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8422
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7792
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6332

🔴Vulnerability Details

2
CVEList
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability↗2025-09-09
▶
GHSA
GHSA-rv4p-rhhc-pxcx: Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally↗2025-09-09
▶

📋Vendor Advisories

1
Microsoft
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability↗2025-09-09
▶
CVE-2025-54895 (HIGH CVSS 7.8) | Integer overflow or wraparound in W | cvebase.io