Security Update
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 […]
Microsoft blames macOS update for undismissible Teams location prompts
Microsoft has confirmed user reports that the Teams team collaboration app is displaying non-dismissible location prompts on some macOS systems. According to affected Teams users, these non-dismissible prompts have been appearing on Mac devices running macOS versions 14 (Sonoma), 15 (Sequoia), and 26 (Tahoe) over the past week, asking for permission to use their location “for things […]
Microsoft confirms Windows 11 security update install issues
Microsoft has confirmed that the May 2026 Windows 11 security update (KB5089549) fails to install on some systems and triggers 0x800f0922 errors. This known issue is caused by insufficient free space on the EFI System Partition (ESP), which results in the update automatically rolling back on affected devices. “This issue affects devices with limited free […]
Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-days
Today is Microsoft’s May 2026 Patch Tuesday, with security updates for 120 flaws and no zero-days disclosed. This Patch Tuesday addresses 17 “Critical” vulnerabilities, 14 of which are remote code execution, 2 are elevation of privilege, and 1 is an information disclosure flaw. The number of bugs in each vulnerability category is listed below: When […]
Apple fixes bug that let the FBI recover deleted Signal messages
Apple has released out-of-band security updates for iPhone and iPad devices to fix a Notification Services flaw that could allow notifications marked for deletion to remain stored on the device. The bug, tracked as CVE-2026-28950, was fixed on April 22, 2026, in iOS 26.4.2 and iPadOS 26.4.2 and in iOS 18.7.8 and iPadOS 18.7.8. “Notifications […]
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days
Today is Microsoft’s April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities. This Patch Tuesday also addresses eight “Critical” vulnerabilities, 7 of which are remote code execution flaws and the other is a denial of service flaw. The number of bugs in each vulnerability category is listed below: When GeekFeed reports on […]