Cyber Resilience

CVE-2024-26198

High

Published: 12 March 2024

Published
12 March 2024
Modified
06 December 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0269 86.2th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-26198 is a high-severity Untrusted Search Path (CWE-426) vulnerability in Microsoft Exchange Server. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 13.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2024-26198 is a remote code execution vulnerability affecting Microsoft Exchange Server. It carries a CVSS 3.1 base score of 8.8 with the vector string AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H and is associated with CWE-426.

An attacker can exploit the flaw over the network without authentication, provided a user performs a required interaction such as clicking a crafted link. Successful exploitation grants the attacker full control over confidentiality, integrity, and availability on the affected Exchange Server.

Microsoft Security Response Center advisories at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26198 describe available patches and mitigation guidance.

EPSS for the CVE rose from low values to a recorded peak of 0.0524 on 2025-12-11 before receding to the current 0.0269, indicating a period of increased exploitation interest after disclosure.

EU & UK References

Vulnerability details

Microsoft Exchange Server Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
exchange server
2016, 2019

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References