Microsoft: Outdated Exchange servers fail to auto-mitigate security bugs
ID: 5691b633-c34f-554d-9763-30a43ab2c4b1
STIX ID: report--5691b633-c34f-554d-9763-30a43ab2c4b1
Feed Name: Bleeping Computer
Threat Score
Microsoft warns that on-premises Exchange servers not updated since March 2023 may be unable to receive new Emergency Mitigation Service (EEMS) rules because an Office Configuration Service certificate type was deprecated; administrators should apply the latest Cumulative or Security Updates to restore EEMS functionality and protect against threats such as historically exploited zero-days (e.g., ProxyLogon/ProxyShell).
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