CVE-2026-62912

MediumCVSS 6.5/10Last modified Aug 13, 2026

Description

Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 23	>= 15.01.0.0, < 15.01.2507.072
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 14	>= 15.02.0.0, < 15.02.1544.044
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 15	>= 15.02.0.0, < 15.02.1748.049
Microsoft	Microsoft Exchange Server Subscription Edition RTM	>= 15.02.0.0, < 15.02.2562.046

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62912Patch, Vendor Advisory

Timeline

Published: Aug 11, 2026
Last modified: Aug 13, 2026
NVD status: Analyzed

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