Vulnerabilities
Critical Remote Code Execution in Microsoft Outlook (CVE‑2026‑46597) – Immediate Action Required
5/27/2026

Vulnerabilities
On‑Prem Exchange Server XSS Flaw Lets Attackers Run Scripts in OWA Inboxes – Regulators Warn of GDPR/CCPA Risks
5/15/2026
Vulnerabilities
Microsoft Releases Critical Security Updates for April 2025: 130 Vulnerabilities Patched Including Zero-Days Under Active Attack
4/15/2026
Vulnerabilities
Critical Microsoft Exchange Server Vulnerability CVE-2026-3547 Allows Remote Code Execution
3/27/2026
Vulnerabilities
Critical Microsoft Exchange Server Vulnerability CVE-2026-23943 Requires Immediate Patching
3/17/2026
Vulnerabilities
Microsoft Releases Critical Security Updates for Multiple CVEs Including CVE-2026-3934
3/14/2026
Vulnerabilities
Critical Microsoft Exchange Server Vulnerability CVE-2026-27142 Requires Immediate Patching
3/12/2026
Vulnerabilities
Microsoft Addresses Critical Vulnerability CVE-2025-14524 in Security Update
3/10/2026
Vulnerabilities
Microsoft Releases Critical Security Updates for Multiple Vulnerabilities
2/28/2026

Security
Microsoft Releases February 2026 Exchange Server Security Updates with Critical Vulnerability Patches
2/10/2026

Security
Microsoft Confirms No Exchange Server Security Updates for January 2026
1/13/2026