CVE-2021-1706

Windows LUAFV Elevation of Privilege Vulnerability

HIGH
7.3
CVSS Score
Published: January 12, 2021 at 07:42 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
18 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
HIGH7.3
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Windows LUAFV Elevation of Privilege Vulnerability

Affected

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

6.1.0 ≤ v < publication6.1.0sp1
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < publication6.3.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.0.0 ≤ v < publication6.1.0 ≤ v < publication6.0.06.1.0r2 sp1r2 sp2
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
6.2.0 ≤ v < publication6.3.0 ≤ v < publication6.2.06.3.0r2
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < publication10.0.0
Affected range stops below publication, 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 exploitNot automatableTotal impact

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

CVSS

7.3HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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