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MonikerLink RCE Vulnerability in Outlook Exploited with PoC Release

First seen 1 Dec 2025, 11:41 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

The MonikerLink vulnerability in Microsoft Outlook allows for remote code execution via malicious hyperlinks in emails. Discovered by Check Point Research, a proof-of-concept exploit has been released, potentially affecting numerous users. Organizations are advised to monitor for this exploit and apply necessary mitigations.

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