Nov 2026: Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-118208 Published on November 10, 2026

Microsoft Exchange Server Spoofing Vulnerability
Improper access control in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.

Vendor Advisory NVD

Vulnerability Analysis

Exploitation:
NONE
Automatable:
NO
Technical Impact:
PARTIAL

Products Associated with CVE-2026-118208

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Microsoft Exchange Server Se

Affected Versions

Microsoft Exchange Server Subscription Edition RTM:

Exploit Probability

EPSS
0.92%
Percentile
60.73%

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.