Microsoft Windows 11 (version 23H2) Untrusted Pointer Dereference Rated 7.8 CVSS
Last refreshed2026-10-15
Status: UPDATED
| Advisory ID: CVE-2026-70104
Key Details
CVE
CVE-2026-70104
CVSS Score / Version
7.8 (High) / CVSS v3.1
Updated
2026-10-14
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
see table below
Classified as
CWE-822 (Untrusted Pointer Dereference)
Exploitation prediction (EPSS)
0.38% probability of exploitation in the next 30 days (30% percentile) -- FIRST.org's EPSS model.
Affected Products, Subsystems & Sectors
Vendor
Product
Affected Versions
Patch Status
Microsoft
Windows 11 (version 23H2)
Microsoft
Windows 11 (version 24H2)
Microsoft
Windows 11 (version 25H2)
Microsoft
Windows 11 (version 26H1)
Microsoft
Windows Server 2025
Microsoft
Windows 10 (version 1809)
Microsoft
Windows 10 (version 21H2)
Microsoft
Windows 10 (version 22H2)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2022
Microsoft
Windows 11 Version 26H2
Subsystems
OT Supporting Infrastructure
Sectors
All Sectors
What to Know
Untrusted pointer dereference in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
What to Do
Monitor Microsoft's web page for any future patch releases.