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Ubiquiti warns of new max severity UniFi OS vulnerability
Ubiquiti has issued updates to address seven critical vulnerabilities within its UniFi OS. Among these patched flaws is a command injection vulnerability rated at maximum severity.
CISA orders feds to patch max severity ColdFusion flaw by Friday
The Cybersecurity and Infrastructure Security Agency (CISA) has mandated that federal agencies address a maximum-severity Adobe ColdFusion vulnerability. This flaw is currently being actively exploited and requires patching by Friday.
Threat Actors Probe Gitea Docker Flaw CVE-2026-20896 13 Days After Disclosure
Threat actors have been observed attempting to exploit a recently patched critical security flaw in Gitea Docker images, according to Sysdig. The vulnerability in question is CVE-2026-20896 (CVSS score: 9.8), a vulnerability that stems from
RCS and DNS: The NAPTR Record, (Mon, Jul 6th)
Over the last year, with recent updates to iOS and Android, RCS (Rich Communication Services) has become an increasingly used protocol [1]. RCS is supposed to eventually replace SMS, and in addition to richer formatting, provides added (but
Opera GX Flaw Let Malicious Sites Auto-Install Mods to Steal Data From Visited Pages
Researchers found a flaw in Opera GX, the gaming-focused version of the Opera browser, that let a malicious website silently install a browser add-on and use it to lift specific data from the pages a victim visits. In a proof of concept, th
Unpatched Flaws Disclosed in Filesystem Bundled Into Millions of Embedded Devices
Security firm runZero has disclosed seven vulnerabilities in FatFs, a small filesystem library that lets a device read and write the FAT and exFAT formats used on USB drives and SD cards. The flaws matter because FatFs is nearly everywhere.
New "Bad Epoll" Linux Kernel Flaw Lets Unprivileged Users Gain Root, Hits Android
A newly disclosed Linux kernel flaw called Bad Epoll (CVE-2026-46242) lets an ordinary user with no special access take full control of a machine as root. It affects Linux desktops, servers, and Android, and a fix is out. Bad Epoll sits in
Apple Reverses Age-Old Patch Policy to Keep Up With AI
Expect more compressed patching cycles from Apple going forward, as attackers leverage artificial intelligence to reduce time to exploit.
Anthropic's AI Finds Bugs. IBM Bets $5B It Can Fix Them.
IBM and Red Hat assign 20,000 engineers to the new Project Lightwell service as Anthropic's Mythos findings ignite debate over how to secure the open source software supply chain.
And the Winner in Dominant Malware Delivery? ClickFix
Researchers say the highly effective social engineering technique is no longer the exception for malware attacks — it's now the rule.
Weekly Update 510: Live From Mallorca with Scott Helme
How's the view?! Back to business, it's now 8 years ago that Scott and I thought it would be a cool idea to build Why no HTTPS? We used the site to shame companies for not implementing their transport later security property, and to make it
June 2026 Apple Updates, (Tue, Jun 30th)
Apple released updates for iOS/iPadOS, macOS, and Safari on Monday. There have been no updates for other Apple operating systems (visionOS, watchOS, tvOS). Usually, Apple updates all products at the same time.
Weekly Update 509
I know enough about home cinema audiovisual to know there's a lot I don't know. It's conscious incompetence, if you like, which is different to the unconscious incompetence most people have on the topic. That's not to sound derogatory (it's
Weekly Update 508
Light switches. How on earth is it so hard to find decent light switches?! It sounds ridiculous until you actually spend enough time looking for ones that meet two simple criteria: Aren't stateful (switch is up or down, has to be push-butto
Weekly Update 507
1,000 breaches is one hell of a milestone. It's not just the process of getting data, verifying it, loading it, sending notifications etc, it's all the other stuff that goes into keeping the whole thing afloat. Legal docs. Trademarks. Accou
A Record-Breaking Patch Tuesday for June 2026
Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bug
Microsoft Patch Tuesday for June 2026 — Snort rules and prominent vulnerabilities
Microsoft Patch Tuesday details for June 2026.
Smashing Security podcast #470: This AI security flaw might be impossible to fix
A website called "UK visa portal" has been quietly collecting passport scans, selfies, and personal data from thousands of travellers who thought they were applying through official channels. They weren't. And when a journalist tried to war
Weekly Update 506
I'm finding it quite fascinating to watch the current spate of ShinyHunters breaches and dumps. There's the obvious criminality of it all, but then there's also the response from organisations (or lack thereof, as it relates to disclosure t
Less panic patching, more precision
In this newsletter, Thor breaks down why you should stop relying solely on CVSS and start using EPSS and GCVE to focus your patching efforts on the threats that actually matter.
Weekly Update 505
Well, that didn't last long! Recording this on Saturday morning my time, I observed ShinyHunters having gone quiet since the massive haul that would have been the Instructure ransom. It was two weeks almost to the hour since I'd first heard
Weekly Update 504
It's a hot topic, the old "pay or don't pay" for hackers not to leak your data. Since recording this a few days ago, we've had Grafana go with the "no pay" approach, and I've seen a raft
A 0-click exploit chain for the Pixel 10: When a Door Closes, a Window Opens
We recently published an exploit chain for the Google Pixel 9 that demonstrated it was possible to go from a zero-click context to root on Android in just two exploits. The Dolby 0-click vulnerability existed across all of Android, until it
Weekly Update 503
Well, it's the day before the Instructure "pay or leak" deadline (at least by my Aussie watch), and the company remains removed from the ShinyHunters website. In its place sits a press statement that amounts to "we're not making any stateme
On the Effectiveness of Mutational Grammar Fuzzing
Mutational grammar fuzzing is a fuzzing technique in which the fuzzer uses a predefined grammar that describes the structure of the samples. When a sample gets mutated, the mutations happen in such a way that any resulting samples still adh
A Deep Dive into the GetProcessHandleFromHwnd API
In my previous blog post I mentioned the GetProcessHandleFromHwnd API. This was an API I didn’t know existed until I found a publicly disclosed UAC bypass using the Quick Assist UI Access application. This API looked interesting so I though
Bypassing Administrator Protection by Abusing UI Access
In my last blog post I introduced the new Windows feature, Administrator Protection and how it aimed to create a secure boundary for UAC where one didn’t exist. I described one of the ways I was able to bypass the feature before it was rele
Breaking the Sound Barrier, Part II: Exploiting CVE-2024-54529
In the first part of this series, I detailed my journey into macOS security research, which led to the discovery of a type confusion vulnerability (CVE-2024-54529) and a double-free vulnerability (CVE-2025-31235) in the coreaudiod system da
Bypassing Windows Administrator Protection
A headline feature introduced in the latest release of Windows 11, 25H2 is Administrator Protection. The goal of this feature is to replace User Account Control (UAC) with a more robust and importantly, securable system to allow a local use
A 0-click exploit chain for the Pixel 9 Part 3: Where do we go from here?
While our previous two blog posts provided technical recommendations for increasing the effort required by attackers to develop 0-click exploit chains, our experience finding, reporting and exploiting these vulnerabilities highlighted some
A 0-click exploit chain for the Pixel 9 Part 2: Cracking the Sandbox with a Big Wave
With the advent of a potential Dolby Unified Decoder RCE exploit, it seemed prudent to see what kind of Linux kernel drivers might be accessible from the resulting userland context, the mediacodec context. As per the AOSP documentation, the
A 0-click exploit chain for the Pixel 9 Part 1: Decoding Dolby
Over the past few years, several AI-powered features have been added to mobile phones that allow users to better search and understand their messages. One effect of this change is increased 0-click attack surface, as efficient analysis ofte