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CVE-2026-83697

Windows Modern Device Management (MDM) Tampering Vulnerability

MEDIUM
4.7
CVSS Score
Published: October 13, 2026 at 07:00 PM UTC
Updated: October 29, 2026 at 03:16 PM UTC
11 products affected across 1 vendorWindows Server 2019Windows 10 1809Windows Server 2022

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Time-of-check time-of-use (toctou) race condition in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83697

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMmicrosoft
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-367

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