File Path Control Vulnerability in Microsoft Exchange Server
CVE-2026-118151

7.2HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server Subscription Edition Rtm
Vendor
CVE Published:
10 November 2026

What is CVE-2026-118151?

A vulnerability in Microsoft Exchange Server allows an authorized attacker to manipulate file names or paths, potentially leading to unauthorized privilege escalation over a network. This security flaw underscores the importance of ensuring proper access controls and regular updates to safeguard sensitive data. System administrators are urged to consult Microsoft's advisory for guidance on addressing this issue.

Affected Version(s)

Microsoft Exchange Server Subscription Edition RTM x64-based Systems 15.02.0.0 < 15.02.2562.057

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.