Nov 2026: Windows SMB Client Elevation of Privilege Vulnerability
CVE-2026-119870 Published on November 10, 2026

Windows SMB Client Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows SMB Client allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Vulnerability Analysis

Exploitation:

NONE

Automatable:

Technical Impact:

TOTAL

Weakness Type

Untrusted Pointer Dereference

The program obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

Products Associated with CVE-2026-119870

Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.

Microsoft Windows 10

Microsoft Windows Server 2016

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows 11 23h2

Microsoft Windows 11 24h2

Microsoft Windows 11 25h2

Microsoft Windows 11 Version 26h2 X64 Based Systems

Microsoft Windows Server 2025

Microsoft Windows 11 26h1

Affected Versions

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.7846 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.7846 is affected.

Microsoft Windows 11 version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7711 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7711 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.9974 is affected.

Microsoft Windows 11 Version 25H2:

Version 10.0.26200.0 and below 10.0.26200.9974 is affected.

Microsoft Windows 11 version 26H1:

Version 10.0.28000.0 and below 10.0.28000.3501 is affected.

Microsoft Windows 11 Version 26H2:

Version 10.0.26300.0 and below 10.0.26300.9974 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.9688 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.9487 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.5870 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.33822 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.33822 is affected.

Exploit Probability

EPSS

0.27%

Percentile

19.41%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.