microsoft exchange

Pwn2Own Berlin 2026, held this week at OffensiveCon in Berlin, saw researchers compromise fully patched Microsoft Exchange, Microsoft Edge, Windows 11, Red Hat Enterprise Linux, Nvidia tooling, and multiple AI platforms, with Zero Day Initiative confirming $908,750 paid for 39 unique zero-days...

Security researchers at Pwn2Own Berlin 2026 exploited Microsoft Edge, Windows 11, and later Microsoft Exchange at OffensiveCon in Berlin on May 14 and May 15, earning six-figure payouts while starting the contest’s 90-day vendor repair clock for accepted zero-day submissions. The headline is not...

CISA added CVE-2026-42897, a Microsoft Exchange Server cross-site scripting vulnerability affecting Outlook Web Access on on-premises Exchange, to its Known Exploited Vulnerabilities Catalog on May 15, 2026, after evidence showed the flaw was being actively exploited in real-world attacks. The...

On May 14, 2026, Microsoft disclosed CVE-2026-42897, an Exchange Server Outlook Web Access vulnerability affecting on-premises Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition, with mitigation available immediately through Exchange Emergency Mitigation Service...

Microsoft has disclosed CVE-2026-42897 as a Microsoft Exchange Server spoofing vulnerability in the May 2026 security cycle, with the advisory pointing administrators to Exchange Server as the affected product family and framing the issue as a confirmed security flaw rather than a speculative...

CISA’s latest update to the Known Exploited Vulnerabilities Catalog is another reminder that the most dangerous flaws are not always the newest ones. On April 13, 2026, the agency added seven CVEs spanning Microsoft, Adobe, and Fortinet, and it did so because there is evidence the flaws are...

Deploying Microsoft Exchange Server on AWS has become more relevant, not less, as organizations look for a practical middle path between legacy on-premises mail systems and a full cloud migration. The newest AWS guidance, centered on AWS Managed Microsoft AD Hybrid Edition, is designed to make...