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A Chrome 145 update fixes CVE-2026-2441, a vulnerability that can likely be exploited for arbitrary code execution.
The post Google Patches First Actively Exploited Chrome Zero-Day of 2026 appeared first on SecurityWeek.
Apple fixed an exploited zero-day in iOS, macOS, and other devices that allowed attackers to run code via a memory flaw. Apple released updates for iOS, iPadOS, macOS, watchOS, tvOS, and visionOS to address an actively exploited zero-day tracked as CVE-2026-20700. The flaw is a memory corruption issue in Apple’s Dynamic Link Editor (dyld) that […]
Impacting the ‘dyld’ system component, the memory corruption issue can be exploited for arbitrary code execution.
The post Apple Patches iOS Zero-Day Exploited in ‘Extremely Sophisticated Attack’ appeared first on SecurityWeek.
Microsoft’s Patch Tuesday updates fix roughly 60 vulnerabilities found in the company’s products.
The post 6 Actively Exploited Zero-Days Patched by Microsoft With February 2026 Updates appeared first on SecurityWeek.
Vulnerable SolarWinds Web Help Desk instances were exploited in December 2025 for initial access.
The post Recent SolarWinds Flaws Potentially Exploited as Zero-Days appeared first on SecurityWeek.
This is amazing:
Opus 4.6 is notably better at finding high-severity vulnerabilities than previous models and a sign of how quickly things are moving. Security teams have been automating vulnerability discovery for years, investing heavily in fuzzing infrastructure and custom harnesses to find bugs at scale. But what stood out in early testing is how quickly Opus 4.6 found vulnerabilities out of the box without task-specific tooling, custom scaffolding, or specialized prompting. Even more interesting is how it found them. Fuzzers work by throwing massive amounts of random inputs at code to see what breaks. Opus 4.6 reads and reasons about code the way a human researcher would—looking at past fixes to find similar bugs that weren’t addressed, spotting patterns that tend to cause problems, or understanding a piece of logic well enough to know exactly what input would break it. When we pointed Opus 4.6 at some of the most well-tested codebases (projects that have had fuzzers running against them for years, …
The critical-severity vulnerabilities could allow unauthenticated attackers to execute arbitrary code remotely.
The post Ivanti Patches Exploited EPMM Zero-Days appeared first on SecurityWeek.
Tracked as CVE-2026-24858, the bug allows attackers to log into devices registered to other FortiCloud accounts.
The post Fortinet Patches Exploited FortiCloud SSO Authentication Bypass appeared first on SecurityWeek.
The vulnerability is tracked as CVE-2026-21509 and it can be exploited to bypass security features.
The post Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks appeared first on SecurityWeek.
Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 2016–2024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address an actively exploited Office zero-day vulnerability tracked as CVE-2026-21509. The issue is a security feature bypass vulnerability that affects multiple Office versions, including Microsoft Office 2016, Microsoft Office 2019, […]