CVE-2021-26426

Windows User Account Profile Picture Elevation of Privilege Vulnerability

HIGH
7
CVSS Score
Published: August 12, 2021 at 06:11 PM UTC
Updated: August 10, 2026 at 04:17 PM UTC
16 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

Using Windows 10 Version 1809 by Microsoft?

Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Windows User Account Profile Picture Elevation of Privilege Vulnerability

Affected

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

10.0.10240.0 ≤ v < 10.0.10240.1902210.0.10240.0
Affected range stops below 10.0.10240.19022, so it looks safe — our inference, not a vendor statement
10.0.14393.0 ≤ v < 10.0.14393.458310.0.14393.0
Affected range stops below 10.0.14393.4583, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.17763.211410.0.0 ≤ v < 10.0.19041.116510.0.17763.0 ≤ v < 10.0.17763.211410.0.010.0.17763.0
Affected range stops below 10.0.17763.2114, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19041.1165, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.18363.173410.0.0
Affected range stops below 10.0.18363.1734, so it looks safe — our inference, not a vendor statement
6.3.0 ≤ v < 6.3.9600.200946.3.0
Affected range stops below 6.3.9600.20094, so it looks safe — our inference, not a vendor statement
10.0.0 ≤ v < 10.0.19041.116510.0.0
Affected range stops below 10.0.19041.1165, so it looks safe — our inference, not a vendor statement
6.2.9200.0 ≤ v < 6.2.9200.234356.3.9600.0 ≤ v < 6.3.9600.200946.2.9200.06.3.9600.0r2
Affected range stops below 6.2.9200.23435, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.3.9600.20094, 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

7HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card