CVE-2026-62912 — MEDIUM (6.5)

Q: What is CVE-2026-62912?

CVE-2026-62912 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

Q: How severe is CVE-2026-62912?

CVE-2026-62912 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-62912?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server, Microsoft Exchange Server Subscription Edition.

Vulnerability Description

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

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Exchange Server	2016
Microsoft	Exchange Server Subscription Edition	< 15.02.2562.046

Related Weaknesses (CWE)

CWE-502

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62912PatchVendor Advisory

FAQ

What is CVE-2026-62912?

CVE-2026-62912 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to deny service over a network.

How severe is CVE-2026-62912?

CVE-2026-62912 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-62912?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server, Microsoft Exchange Server Subscription Edition.