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

CVE-2026-88071

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-88071

Key Details

CVECVE-2026-88071
CVSS Score / Version
7.8 (High) / CVSS v3.1
Updated2026-10-13
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-415 (Double Free)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 23H2)
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows Server 2025
MicrosoftWindows Server 2022
MicrosoftWindows 11 Version 26H2
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

Double free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

What to Do

Monitor Microsoft's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-88071
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-88071

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.