New critical Exim mailer flaw allows remote code execution

Published on May 13, 2026

A critical vulnerability affecting certain configurations of the Exim open-source mail transfer agent could be exploited by an unauthenticated remote attacker to execute arbitrary code. [...]

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Windows BitLocker zero-day gives access to protected drives, PoC released

May 13, 2026
A cybersecurity researcher has published proof-of-concept (PoC) exploits for two unpatched Microsoft Windows vulnerabilities named YellowKey and GreenPlasma, which are a BitLocker bypass and a privilege-escalation flaw. [...]

Iranian hackers targeted major South Korean electronics maker

May 13, 2026
The Iran-linked hacking group MuddyWater (a.k.a. Seedworm, Static Kitten) launched a broad cyber-espionage campaign targeting at least nine high-profile organizations across multiple sectors and countries. [...]