Is CVE-2022-26823 in the CISA KEV catalog?

No. CVE-2022-26823 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26823?

CVE-2022-26823 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2022-26823?

CVE-2022-26823 has an EPSS score of 3.36% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26823?

Install KB5012596 for Windows Server 2016. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26823

HIGHEPSS 87th pctl

7.2

CVSS v3

NVD

Description

Windows DNS Server Remote Code Execution Vulnerability

How to fix

Remediation Available

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 ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.36%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Other references1

msrc.microsoft.com

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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.