Is CVE-2024-26198 in the CISA KEV catalog?

No. CVE-2024-26198 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-26198?

CVE-2024-26198 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2024-26198?

CVE-2024-26198 has an EPSS score of 6.82% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-26198?

Install KB5037224 for Microsoft Exchange Server 2016 Cumulative Update 23. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-26198

HIGHEPSS 93th pctl

8.8

CVSS v3

NVD

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

CWE-426

How to fix

Remediation Available

Microsoft Exchange Server 2016 Cumulative Update 23Microsoft

Install:KB5037224Microsoft

Microsoft Exchange Server 2019 Cumulative Update 13Microsoft

Install:KB5037224Microsoft

Microsoft Exchange Server 2019 Cumulative Update 14Microsoft

Install:KB5037224Microsoft

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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.82%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory1

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 2024-12-06.