Patch Tuesday Analysis · May 2026 May 2026 Patch Tuesday: No Zero-Days for the First Time in 23 Months, but Three Unauthenticated 9.8 RCEs in the Queue Microsoft fixes 118 to 138 CVEs depending on methodology, including 16 critical, with no actively exploited or publicly disclosed vulnerability. First Patch Tuesday without a zero-day since June…
CTI Analysis · Disclosure Doctrine The Embargo Is No Longer a Protection: What AI Is Changing in Responsible Disclosure Six dnsmasq CVEs, a maintainer exhausted by the tsunami of AI-generated bug reports, and the public admission of a major doctrinal pivot. Reading a weak signal that could foreshadow the end of a model thirty years…
CTI Analysis · Critical Vulnerability BitLocker Is No Longer a Promise: What the YellowKey Case Reveals Two Windows zero-days disclosed without coordination, a researcher openly challenging Microsoft, and a phantom component in the Windows Recovery Environment whose true nature, bug or backdoor, no one can yet determine. Published May 14, 2026 Reading time 15 minutes…
Sources: Krebs on Security · BleepingComputer · Cisco TalosReference: Microsoft Security Update Guide, March 2026Target audience: Windows administrators, SOC teams, CERT/CSIRT, patch management leads Overview On March 10, 2026, Microsoft released its monthly Patch Tuesday security updates, addressing 79 vulnerabilities across Windows, Office, SQL Server, Azure, and several third-party components. Three vulnerabilities are classified as…
Executive Summary In January 2026, Microsoft’s Patch Tuesday addressed 114 vulnerabilities, including 8 Critical flaws primarily in Windows and Office. The release fixed multiple remote code execution (RCE) and elevation of privilege (EoP) bugs. Microsoft confirmed one actively exploited zero-day (CVE-2026-20805) and two publicly disclosed issues patched this month (CVE-2023-31096 and CVE-2026-21265). One publicly known…
Total vulnerabilities fixed: Microsoft’s December 2025 Patch Tuesday addresses 57 security flaws. Among these, 3 vulnerabilities are rated Critical (all remote code execution issues), with the remainder classified as Important (none are labeled as Moderate or Low this month). Note that Microsoft Edge updates (15 vulnerabilities) are not included here, as Edge was updated earlier…
Fixing 63 Flaws Including 1 Active Zero-Day You will find below my hot take on this historic Microsoft Patch Tuesday, following the official end of support for Windows 10… I hope you find it useful. Executive Summary Overview of the November 2025 Patch Tuesday On November 11, 2025, Microsoft released its monthly batch of security…
Microsoft’s October 2025 Patch Tuesday delivered fixes for 172 vulnerabilities across Windows and related products, including six zero-day flaws (vulnerabilities publicly disclosed or exploited before a patch was available). The updates also address eight “Critical” issues (five remote code execution and three elevation of privilege vulnerabilities) . Notably, this is the final Patch Tuesday that…
On September 9, 2025, Microsoft released security updates addressing over 80 vulnerabilities across Windows operating systems and related software (81 vulnerabilities were patched on this date). Notably, there were no actively exploited “zero-day” vulnerabilities in this month’s update bundle. However, two publicly disclosed vulnerabilities (zero-days) were fixed, meaning they were known to attackers or researchers…
