Security Update
Microsoft releases Windows 10 KB5099539 extended security update
Microsoft has released the Windows 10 KB5099539 extended security update, which includes this month’s record-breaking July 2026 Patch Tuesday fixes, along with additional security improvements. Initially, Microsoft only offered consumers one year of extended security updates. However, last month, Microsoft quietly extended its free Windows 10 Extended Security Updates (ESU) program for consumers by an additional year, […]
Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-days
Today is Microsoft’s July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exfploited in attacks and one publicly disclosed. Patch Tuesday addresses 59 “Critical” vulnerabilities, 48 of which are remote code execution, 9 are elevation of privilege, 1 is a security bypass, and 1 is a […]
Microsoft expects more Windows security updates from AI-discovered flaws
Microsoft says Windows users should expect to see an increase in security updates as the company increasingly relies on artificial intelligence to discover vulnerabilities in its codebase. In a blog post published today, Microsoft said advances in AI have significantly accelerated vulnerability discovery, allowing engineers to identify more security issues before they can be exploited […]
Microsoft quietly extends free Windows 10 ESU support to October 2027
Microsoft has quietly extended its free Windows 10 Extended Security Updates (ESU) program for consumers by an additional year, allowing enrolled devices to continue receiving security updates until October 12, 2027. The change was made without a formal announcement and instead appeared in updates to Microsoft’s Windows 10 ESU documentation and as an “Editor’s note” to a Windows […]
Microsoft fixes Windows Server 2016 security update failures
Microsoft has fixed a known issue causing the June 2026 security updates to fail on Windows Server 2016 systems that weren’t up to date. The issue was acknowledged in an admin portal service alert confirming IT administrators’ reports of 0x80070002 or FILE_NOT_FOUND errors on affected systems. The bug primarily affected customers attempting to install the KB5094122 update without first installing last […]
Microsoft patches Exchange Server zero-day exploited in attacks
Microsoft has patched an actively exploited Exchange Server vulnerability that allows threat actors to execute arbitrary JavaScript code in cross-site scripting (XSS) attacks targeting Outlook Web Access users. This high-severity spoofing vulnerability (CVE-2026-42897) affects Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition (SE) software and can be exploited by remote attackers with […]
Microsoft patches YellowKey, GreenPlasma, MiniPlasma zero-days
On Tuesday, Microsoft patched two zero-day vulnerabilities that let attackers gain SYSTEM privileges on fully patched Windows systems, and a third one that grants access to BitLocker-protected drives. All three security flaws were disclosed last month by a security researcher using the “Nightmare Eclipse” handle in protest over how the Microsoft Security Response Center (MSRC) […]
Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flaws
Today is Microsoft’s June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks. This Patch Tuesday addresses 33 “Critical” vulnerabilities, 28 of which are remote code execution, 4 are elevation of privilege, and 1 is an information disclosure flaw. The number of bugs in […]
Google fixes one actively exploited Android zero-day, 124 flaws
Google has released the June 2026 Android security patches to address 124 vulnerabilities, including one zero-day flaw exploited in targeted attacks. Local attackers can exploit the actively abused high-severity Android Framework vulnerability (tracked as CVE-2025-48595) to gain code execution and escalate privileges on devices running Android 14 or later. “There are indications that CVE-2025-48595 may […]
Microsoft fixes KB5089549 Windows security update install issues
Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). As Microsoft explained when it acknowledged the issue two weeks ago, these failures are caused by insufficient free space on the EFI System Partition (ESP), which results in the update automatically rolling back on impacted […]