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Recorded 10 Nov 2026 at 18:32 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

Windows Hyper-V Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

What it said

CVE
CVE-2026-113753
Severity
Critical
CVSS base score
8.2
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Elevation of Privilege
Exploitation detected
No known exploitation (MSRC assessment)
Publicly disclosed
No (MSRC assessment)
Exploitability
Exploitation Less Likely
Component
Windows Hyper-V
Weakness
CWE-822: Untrusted Pointer Dereference
Issued by
Microsoft
Customer action
Required: follow the MSRC remediation guidance
Affected products
Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems
Updates that fix it
KB5132059: Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems (restart required)
CISA KEV
Not listed in the collected catalog
EPSS
No EPSS score collected
Public detection template
No Nuclei template listed
Published
10 Nov 2026 08:00 UTC
Last revised
10 Nov 2026 08:00 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
Complete at observationRead 10 Nov 2026 at 18:30 UTC
CISA KEV
Complete at observationRead 10 Nov 2026 at 18:30 UTC
FIRST EPSS
Complete at observationRead 10 Nov 2026 at 18:30 UTC
Public detection templates (Nuclei)
Complete at observationRead 10 Nov 2026 at 18:30 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 19:25 UTC · 262 of 275 readable · 261 fully read · documentation 469/469 current

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