Is CVE-2022-26820 in the CISA KEV catalog?

No. CVE-2022-26820 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26820?

CVE-2022-26820 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2022-26820?

CVE-2022-26820 has an EPSS score of 1.84% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26820?

Install KB5012632 for Windows Server 2008. Fixes are available for 13 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26820

MEDIUMEPSS 76th pctl

6.6

CVSS v3

NVD

Description

Windows DNS Server Remote Code Execution Vulnerability

CWE-362Race Condition

How to fix

Remediation Available

Windows Server 2008Windows

Install:KB5012632Microsoft

Install:KB5012658Microsoft

Windows Server 2008 R2Windows

Install:KB5012626Microsoft

Install:KB5012649Microsoft

Windows Server 2012Windows

Install:KB5012666Microsoft

Install:KB5012650Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5012666Microsoft

Install:KB5012650Microsoft

Windows Server 2012 R2Windows

Install:KB5012639Microsoft

Install:KB5012670Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5012639Microsoft

Install:KB5012670Microsoft

Windows Server 2016Windows

Install:KB5012596Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5012596Microsoft

Windows Server 2019Windows

Install:KB5012647Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5012647Microsoft

Windows Server 2022Windows

Install:KB5012604Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5012604Microsoft

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

Install:KB5012599Microsoft

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 VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.84%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Other references1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

Embed a live status badge for CVE-2022-26820

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.