CVE-2021-31973

Windows GPSVC Elevation of Privilege Vulnerability

HIGH
7.8
CVSS Score
Published: June 8, 2021 at 10:46 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
17 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Windows GPSVC Elevation of Privilege Vulnerability

Affected

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

10.0.0 ≤ v < 10.0.10240.1896710.0.010.0.10240.18967
Affected range stops below 10.0.10240.18967, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.14393.446710.0.010.0.14393.4467
Affected range stops below 10.0.14393.4467, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.17763.1999, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.162110.0.010.0.18363.1621
Affected range stops below 10.0.18363.1621, so it looks safe — our inference, not a vendor statement
6.1.0 ≤ v < 6.1.7601.256326.1.06.1.7601.25632sp1
Affected range stops below 6.1.7601.25632, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.200446.3.0 ≤ v < 6.3.9600.200456.3.06.3.9600.200446.3.9600.20045
Affected range stops below 6.3.9600.20044, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20045, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19041.105210.0.010.0.19041.1052
Affected range stops below 10.0.19041.1052, so it looks safe — our inference, not a vendor statement
6.0.0 ≤ v < 6.0.6003.211376.0.0 ≤ v < 6.1.7601.256326.1.0 ≤ v < 6.1.7601.256326.0.06.1.0r2 sp1sp2
Affected range stops below 6.0.6003.21137, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.7601.25632, 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

7.8HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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