Nov 2026: Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2026-118149 Published on November 10, 2026
Microsoft Exchange Server Remote Code Execution Vulnerability
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
Vulnerability Analysis
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-118149 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-118149
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Affected Versions
Microsoft Exchange Server Subscription Edition RTM:- Version 15.02.0.0 and below 15.02.2562.057 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.