CVE-2021-43888

Microsoft Defender for IoT Information Disclosure Vulnerability

HIGH
7.5
CVSS Score
Published: December 15, 2021 at 02:15 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorDefender for Iot

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Severity
HIGH7.5
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

Microsoft Defender for IoT Information Disclosure Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.5.222.0.0 ≤ v < 10.5.222.0.0
Affected range stops below 10.5.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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