Today's Microsoft patch Tuesday fixes 137 different vulnerabilities. In addition, the update addresses 137 Chromium-related issues affecting Microsoft Edge.
Apple Patches Everything https://isc.sans.edu/diary/Apple%20Patches%20Everything/32976 End-to-End Encrypted RCS Messages https://www.apple.com/newsroom/2026/05/end-to-end-encrypted-rcs-messaging-begins-rolling-out-today-in-beta/ Why we use CAPTCHAs https://isc.sans.edu/diary/Why%20we%20use%20CAPTCHAs/32974 Checkmarx Jenkins AST plugin compromise https://checkmarx.com/blog/ongoing-security-updates/
Technical issue with .de domains https://blog.denic.de/en/technical-issue-with-de-domains-resolved/ CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID Authentication Portal https://security.paloaltonetworks.com/CVE-2026-0300 Android Security Bulletin May 2026 CVE-2026-0073 https://source.android.com/docs/security/bulletin/2026/2026-05-01
DShield Honeypot Update https://isc.sans.edu/diary/DShield%20Honeypot%20Update/32948 MOVEit Automation Critical Security Alert Bulletin April 2026 (CVE-2026-4670, CVE-2026-5174) https://community.progress.com/s/article/MOVEit-Automation-Critical-Security-Alert-Bulletin-April-2026-CVE-2026-4670-CVE-2026-5174 Apache httpd http2 vulnerability https://seclists.org/oss-sec/2026/q2/387
Today’s Odd Web Requests https://isc.sans.edu/diary/Today%27s%20Odd%20Web%20Requests/32934 Incomplete Patch of APT28’s Zero-Day Leads to CVE-2026-32202 https://www.akamai.com/blog/security-research/2026/apr/incomplete-patch-apt28s-zero-day-cve-2026-32202 Assess Secure Boot status with Microsoft Defender https://techcommunity.microsoft.com/blog/MicrosoftDefenderATPBlog/assess-secure-boot-status-with-microsoft-defender/4510356 Deprecating Legacy TLS and Endpoints for POP and IMAP in Exchange Online https://techcommunity.microsoft.com/blog/exchange/deprecating-legacy-tls-and-endpoints-for-pop-and-imap-in-exchange-online/4515201 SAP Related npm Packages Compromised https://www.stepsecurity.io/blog/a-mini-shai-hulud-has-appeared