Latest cybersecurity reporting from selected sources.

Weeks after the exploit code dropped, Redmond has finally ships a fix for the Defender zero-day

Another day, another Windows exploit code

Or it's a bunch of pre-IPO hype. Either way, we're giving it the once-over on this week's episode Kettle Anthropic dropped a doozy on us this week with the launch of Mythos, an AI model it says is able to find and exploit zero-day vulnerabilities with a shocking level of ability. …

Interlock's post-exploit toolkit exposed Ransomware criminals exploited CVE-2026-20131, a maximum-severity bug in Cisco Secure Firewall Management Center software, as a zero-day vulnerability more than a month before Cisco patched the hole, according to Amazon security boss CJ Moses.…

High-severity CSS flaw let malicious webpages run code inside the sandbox Google has quietly pushed out an emergency Chrome fix after attackers were caught exploiting the browser's first reported zero-day of 2026.…

PLUS: Fake ransomware group exposed; EC blesses Google's big Wiz deal; Alleged sewage hacker cuffed; And more Infosec in Brief The former General Manager of defense contractor L3Harris’s cyber subsidiary Trenchant sold eight zero-day exploit kits to Russia, according to a court filing last week.…

Staff data belonging to the regulator and judiciary's governing body accessed The Dutch Data Protection Authority (AP) says it was one of the many organizations popped when attackers raced to exploit recent Ivanti vulnerabilities as zero-days.…

Flaw in remote-access appliance lets attackers chain bugs for root-level takeover SonicWall has warned customers of a zero-day flaw in its SMA 1000 remote-access appliance that's being actively exploited, potentially allowing attackers to escalate privileges and take over boxes.…

Exploit hasn't been picked up by any malware detection engines, CEO tells The Reg A Microsoft zero-day vulnerability that allows an unprivileged user to crash the Windows Remote Access Connection Manager (RasMan) service now has a free, unofficial patch - with no word as to when Redmond plans to release an official one - along with a working exploit circulating online.…

Vendors (still) keep mum An "advanced" attacker exploited CitrixBleed 2 and a max-severity Cisco Identity Services Engine (ISE) bug as zero-days to deploy custom malware, according to Amazon Chief Information Security Officer CJ Moses.…

Big Red rushes out patch for 9.8-rated flaw after crooks exploit it for data theft and extortion Oracle rushed out an emergency fix over the weekend for a zero-day vulnerability in its E-Business Suite (EBS) that criminal crew Clop has already abused for data theft and extortion.…

Better late than never after SharePoint assault? Microsoft has reportedly stopped giving Chinese companies proof-of-concept exploit code for soon-to-be-disclosed vulnerabilities following last month's SharePoint zero-day attacks, which appear to be related to a leak in Redmond's early-bug-notification program.…

Another 'extremely sophisticated' exploit chewing at Cupertino's walled garden Apple has shipped emergency updates to fix an actively exploited zero-day in its ImageIO framework, warning that the flaw has already been abused in targeted attacks.…

A few weeks earlier 'zeroplayer' advertised an $80K WinRAR 0-day exploit Russia-linked attackers found and exploited a high-severity WinRAR vulnerability before the maintainers of the Windows file archiver issued a fix.…

Bypassing MFA and deploying ransomware…sounds like something that rhymes with 'schmero-day' SonicWall on Monday confirmed that it's investigating a rash of ransomware activity targeting its firewall devices, following multiple reports of a zero-day bug under active exploit in its VPNs.…

Spy vs. spy China has accused US intelligence agencies of exploiting a Microsoft Exchange zero-day exploit to steal defense-related data and take over more than 50 devices belonging to a "major Chinese military enterprise" for nearly a year.…

Zero-day potentially tied to around 100 suspected infections in 2025 and a spyware scandal on the continent Apple has updated its iOS/iPadOS 18.3.1 documentation, confirming it introduced fixes for the zero-click vulnerability used to infect journalists with Paragon's Graphite spyware.…

TAG team spotted the V8 bug first, so you can bet nation-states weren’t far behind Google revealed Monday that it had quietly deployed a configuration change last week to block active exploitation of a Chrome zero-day.…

As Big Tech gets used to the pain, smaller vendors urged to up their game

Espionage? Botnets? Trying to exploit a zero-day? Someone or something is probing devices made by Juniper Networks and Palo Alto Networks, and researchers think it could be evidence of espionage attempts, attempts to build a botnet, or an effort to exploit zero-day vulnerabilities.…