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22.8.26

Linux Bridge STP Timer Use-After-Free Summary A use-after-free vulnerability in the Linux kernel bridge (net/bridge) Spanning Tree Protocol (STP) implementation. A bridge that is administratively down while kernel STP is enabled, together with a port driven into the LEARNING state, OS Blog SSD-DISCLOSURE

15.8.26

August 2026 Patch Tuesday: One Exploited Zero-Day and 62 Critical Vulnerabilities Among 415 CVEs Microsoft has addressed 415 vulnerabilities in its August 2026 security update release. This month's patches include fixes for one exploited zero-day vulnerability, three disclosed zero-day vulnerabilities, and 62 Critical vulnerabilities, along with 349 additional vulnerabilities of varying severity levels. OS Blog CROWDSTRIKE

15.8.26

Microsoft Security Bulletin Coverage for August 2026 Microsoft’s August 2026 Patch Tuesday has 422 vulnerabilities, of which 177 are Elevation of Privilege. SonicWall Capture Labs threat research team has analyzed and addressed Microsoft’s security advisories for the month of August 2026 and has produced coverage for 24 of the reported vulnerabilities. OS Blog SonicWall

15.8.26

Microsoft Patch Tuesday for August 2026 — Snort rules and prominent vulnerabilities Microsoft has released its monthly security update for August 2026, which includes 421 vulnerabilities affecting a range of products, including 62 that Microsoft marked as "critical." OS Blog CISCO TALOS

18.6.26

Microsoft Security Bulletin Coverage for July 2026 Microsoft’s July 2026 Patch Tuesday has 576 vulnerabilities, of which 255 are Elevation of Privilege. Microsoft had said last week in this blog that “As AI helps defenders discover more issues, customers will see a higher volume of security updates included in each security release”. OS Blog SonicWall

18.6.26

Forgotten UEFI shims undermining Secure Boot ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities OS Blog Eset
16.5.26 May’s Patch Tuesday hauls out 132 CVEs With advisories, this month’s count approaches 300 – though many are already in place OS Blog SOPHOS
9.5.26 Fake call logs, real payments: How CallPhantom tricks Android users ESET researchers uncovered fraudulent apps on Google Play that claim to provide the call history “for any number” and had been downloaded more than seven million times before being taken down OS Blog Eset
25.4.26 Bad Apples: Weaponizing native macOS primitives for movement and execution Cisco Talos documents several macOS living-off-the-land (LOTL) techniques, demonstrating that native pathways for movement and execution remain accessible to those who understand the underlying architecture. OS Blog CISCO TALOS
18.4.26 Microsoft Patch Tuesday for April 2026 - Snort Rule and Prominent Vulnerabilities Overview of patch tuesday release from Microsoft for April 2026. OS Blog CISCO TALOS
21.3.26 The Proliferation of DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors Google Threat Intelligence Group (GTIG) has identified a new iOS full-chain exploit that leveraged multiple zero-day vulnerabilities to fully compromise devices. Based on toolmarks in recovered payloads, we believe the exploit chain to be called DarkSword. OS Blog GTI
14.2.26 Microsoft Patch Tuesday for February 2026 — Snort rules and prominent vulnerabilities Microsoft has released its monthly security update for February 2026, which includes 55 vulnerabilities affecting a range of products, including one (CVE-2025-59498) that Microsoft marked as “Critical”. OS Blog CISCO TALOS