Vulnerability · Published Jun 10, 2025 · Assigned by microsoft

CVE-2025-32718Windows SMB Client Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity integer overflow in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 56.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Integer overflow or wraparound in Windows SMB allows an authorized attacker to elevate privileges locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.21034
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.8148
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.7434
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5965
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5965
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5472
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5472
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5472
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.4349
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25522
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25522
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22620
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22620
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.8148
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.8148
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.7434
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.7434
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3807
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1665
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.4349
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.4349

Weakness: CWE-190, CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References