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A high-severity CVE-2026-0628 in Chrome's Gemini allowed local file access and privacy invasion. Google quickly patched the flaw.
The post Taming Agentic Browsers: Vulnerability in Chrome Allowed Extensions to Hijack New Gemini Panel appeared first on Unit 42.
The cyberattack disrupted information and booking systems and lasted for several hours.
The post German Rail Giant Deutsche Bahn Hit by Large-Scale DDoS Attack appeared first on SecurityWeek.
Google has issued a patch for a high‑severity Chrome zero‑day, tracked as CVE‑2026‑2441, a memory bug in how the browser handles certain font features that attackers are already exploiting.
CVE-2026-2441 has the questionable honor of being the first Chrome zero-day of 2026. Google considered it serious enough to issue a separate update of the stable channel for it, rather than wait for the next major release.
The latest version number is 145.0.7632.75/76 for Windows and macOS, and 145.0.7632.75 for Linux. So, if your Chrome is on version 145.0.7632.75 or later, it’s protected from these vulnerabilities.
The easiest way to update is to allow Chrome to update automatically. But you can end up lagging behind if you never close your browser or if something goes wrong, such as an extension preventing the update.
To update manually, click the More menu (three dots), then go to Settings > About Chrome. If an update is available, Chrome will start downloading it. Restart Chrome to complete the update, and you’ll be protected against these vulnerabilities.
You can also find step-by-step instructions in our guide to how to update Chrome on every operating system.
Google confirms it has seen active exploitation but is not sharing who is being targeted, how often, or detailed indicators yet.
But we can derive some information from what we know.
The vulnerability is a use‑after‑free issue in Chrome’s CSS font feature handling (CSSFontFeatureValuesMap), which is part of how websites display and style text. More specifically: The root cause is an iterator invalidation bug. Chrome would loop over a set of font feature values while also changing that set, leaving the loop pointing at stale data until an attacker managed to turn that into code execution.
Use-after-free (UAF) is a type of software vulnerability where a program attempts to access a memory location after it has been freed. That can lead to crashes or, in some cases, lets an attacker run their own code.
The CVE-record says, “Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.” (Chromium security severity: High)
This means an attacker would be able to create a special website, or other HTML content that would run code inside the Chrome browser’s sandbox.
Chrome’s sandbox is like a secure box around each website tab. Even if something inside the tab goes rogue, it should be confined and not able to tamper with the rest of your system. It limits what website code can touch in terms of files, devices, and other apps, so a browser bug ideally only gives an attacker a foothold in that restricted environment, not full control of the machine.
Running arbitrary code inside the sandbox is still dangerous because the attacker effectively “becomes” that browser tab. They can see and modify anything the tab can access. Even without escaping to the operating system, this is enough to steal accounts, plant backdoors in cloud services, or reroute sensitive traffic.
If chained with a vulnerability that allows a process to escape the sandbox, an attacker can move laterally, install malware, or encrypt files, as with any other full system compromise.
To protect your device against attacks exploiting this vulnerability, you’re strongly advised to update as soon as possible. Here are some more tips to avoid becoming a victim, even before a zero-day is patched:
Users of other Chromium-based browsers can expect to see a similar update.
We don’t just report on threats—we help safeguard your entire digital identity
Cybersecurity risks should never spread beyond a headline. Protect your, and your family’s, personal information by using identity protection.
Last week on Malwarebytes Labs:
Stay safe!
We don’t just report on threats—we help safeguard your entire digital identity
Cybersecurity risks should never spread beyond a headline. Protect your, and your family’s, personal information by using identity protection.
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.
With more than 37 million combined downloads, the extensions expose users to tracking and personal information theft.
The post Over 300 Malicious Chrome Extensions Caught Leaking or Stealing User Data appeared first on SecurityWeek.
Explore the tools Unit 42 found on a Muddled Libra rogue host. Learn how they target domain controllers and use search engines to aid their attacks.
The post A Peek Into Muddled Libra’s Operational Playbook appeared first on Unit 42.
Other noteworthy stories that might have slipped under the radar: AT&T and Verizon response to Salt Typhoon, AI agents solve security challenges, man arrested in Poland for DDos Attacks.
The post In Other News: Record DDoS, Epstein’s Hacker, ESET Product Vulnerabilities appeared first on SecurityWeek.
Criminals are using AI to clone professional websites at an industrial scale. A new report shows how one AI-powered network grew to 150+ domains by hiding behind Cloudflare and rotating IP ranges.
The post Researchers Expose Network of 150 Cloned Law Firm Websites in AI-Powered Scam Campaign appeared first on SecurityWeek.
Why do successful phishing attacks target our psychology rather than just our software? Discover Unit 42’s latest insights on defeating social engineering and securing your digital life.
The post Why Smart People Fall For Phishing Attacks appeared first on Unit 42.
Hackers rely on evolved vishing and login harvesting to compromise SSO credentials for unauthorized MFA enrollment.
The post ShinyHunters-Branded Extortion Activity Expands, Escalates appeared first on SecurityWeek.
Russia's current isolation from the Olympics may lead to increased cyberthreats targeting the 2026 Winter Games. We discuss the potential threat picture.
The post Understanding the Russian Cyberthreat to the 2026 Winter Olympics appeared first on Unit 42.
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