Is CVE-2021-26426 in the CISA KEV catalog?

No. CVE-2021-26426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26426?

CVE-2021-26426 has a CVSS v3 base score of 7.0 (HIGH).

What is the EPSS score for CVE-2021-26426?

CVE-2021-26426 has an EPSS score of 0.56% (43th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26426?

Install KB5005040 for Windows 10. Fixes are available for 19 affected products.

CVE & CISA-KEV Catalog

CVE-2021-26426

HIGH

7.0

CVSS v3

NVD

Description

Windows User Account Profile Picture Elevation of Privilege Vulnerability

CWE-59Link Following

How to fix

Remediation Available

Windows 10Windows

Install:KB5005040Microsoft

Windows 10 Version 1607Windows

Install:KB5005043Microsoft

Windows 10 Version 1809Windows

Install:KB5005030Microsoft

Windows 10 Version 1909Windows

Install:KB5005031Microsoft

Windows 10 Version 2004Windows

Install:KB5005033Microsoft

Windows 10 Version 20H2Windows

Install:KB5005033Microsoft

Windows 10 Version 21H1Windows

Install:KB5005033Microsoft

Windows 8.1Windows

Install:KB5005076Microsoft

Install:KB5005106Microsoft

Windows RT 8.1Windows

Install:KB5005076

Windows Server 2012Windows

Install:KB5005099Microsoft

Install:KB5005094Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5005099Microsoft

Install:KB5005094Microsoft

Windows Server 2012 R2Windows

Install:KB5005106Microsoft

Install:KB5005076Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5005106Microsoft

Install:KB5005076Microsoft

Windows Server 2016Windows

Install:KB5005043Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5005043Microsoft

Windows Server 2019Windows

Install:KB5005030Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5005030Microsoft

Windows Server, version 2004 (Server Core installation)Windows

Install:KB5005033Microsoft

Windows Server, version 20H2 (Server Core Installation)Windows

Install:KB5005033Microsoft

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.56%probability of exploitation in 30 days

43rdpercentile

Moderate risk: more likely to be exploited than 43% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

Related Vulnerabilities

Other CWE-59 (Link Following) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-30333	High	7.5	99%	KEV + Ransom	Fix
CVE-2021-21300	High	8.0	89%	-	Fix
CVE-2021-32610	High	7.1	73%	-	Fix
CVE-2020-36193	High	7.5	71%	KEV	Fix
CVE-2023-40028	Medium	4.9	58%	-	Fix
CVE-2020-0787	High	7.8	43%	KEV + Ransom	-

Embed a live status badge for CVE-2021-26426

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.