← All Advisories
Reported from OT-Advisories.com as of

CVE-2026-26153

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-26153

Key Details

CVECVE-2026-26153
CVSS Score / Version
7.8 (High) / CVSS v3.1
Updated2026-10-14
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-125 (Out-of-bounds Read)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows Server 2025
MicrosoftWindows 10 (version 1809)
MicrosoftWindows 10 (version 21H2)
MicrosoftWindows 10 (version 22H2)
MicrosoftWindows Server 2019
MicrosoftWindows Server 2022
MicrosoftWindows Server 2022 (version 23H2)
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-26153
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-26153
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26153

About

OT-Advisories  ·  CVE  ·  NVD  ·  CVSS  ·  KEV  ·  EPSS  ·  CWE
Report compilation © 2026 OT-Advisories.com  ·  CC BY 4.0  ·  Source materials remain the property of their respective publishers as cited.