Tag: zero day
535 articles
Meta's Muse AI app flaw enables local malware to hijack dictation traffic
A security researcher has uncovered a flaw in Meta's Muse AI app that allows local malware to hijack dictation traffic, contradicting the company's claim that users are in control of their data. This vulnerability, demonstrated in a proof-of-concept, enables attackers to intercept dictation data without needing special privileges.
Ransomware Actors Exploit Active Directory Group Policy
In a clever twist, hackers used Active Directory Group Policy to spread ransomware across an entire domain without installing a single malicious file on individual computers. By exploiting this native tool, they were able to hijack wallpapers, lock screens, and even disable admin accounts, all with just a few clicks.
Cisco Zero-Day Exploited in Active Attacks
Cisco is warning of a critical zero-day flaw in its Identity Services Engine (ISE) that's being actively exploited, allowing attackers to bypass authentication and gain unauthorized access with just a crafted request. This severe vulnerability, tracked as CVE-2026-76460, has been assigned a maximum CVSS score of 10.0.
Microsoft Resolves Excel Copy-Paste Issue After Security Updates
Microsoft has fixed a frustrating issue in Excel where copying and pasting data would fail silently, leaving users none the wiser - until now, that is! The problem, which emerged after September's security updates, affected various versions of Excel, including 2016, 2019, 2021, and 2024, as well as Excel Online.
AI Model Exploits Chained Flaws to Breach OpenAI Staff Accounts
In just 72 hours, researchers exploited a chain of flaws - starting with a bug in image-processing software - to breach several OpenAI staff accounts and gain access to an internal code repository. The surprising attack began with a vulnerability in a library used to parse HEIC and HEIF images, highlighting the potential for unexpected entry points.
Cisco Discloses Second Actively Exploited Zero-Day Vulnerability
Cisco has disclosed a second actively exploited zero-day vulnerability, CVE-2026-76460, a maximum-severity flaw in its Identity Services Engine (ISE) that lets attackers bypass authentication and take full control of affected devices. This vulnerability is particularly alarming because it allows hackers to modify network access policies, extract sensitive credentials, and move undetected across the network.
Check Point Flaw Lets Unauthenticated Users Execute Code as Root
A critical flaw in Check Point's Security Management and Log Servers, rated 9.8 out of 10, allows unauthenticated users to execute code as root via a simple login request with a very long username. Fortunately, there's no evidence that this vulnerability has been exploited in the wild - yet.
AI Coding Agents Expose Zero-Click Flaw
A newly discovered vulnerability, dubbed Plugin4Shell, allows attackers to execute remote code with just a single click - or none at all - giving them carte blanche access to sensitive data and assets. This zero-click flaw in AI coding agents highlights the urgent need for updated security measures to prevent devastating supply-chain attacks.
Cisco Discloses Zero-Day ISE Auth Bypass Under Active Exploitation
Cisco has uncovered a critical zero-day vulnerability, CVE-2026-76460, that lets hackers bypass authentication on its Identity Services Engine and Passive Identity Connector, and it's already being exploited by attackers. This flaw allows unauthorized access to affected devices with just a crafted request.
Cisco Exposes Zero-Day Flaw in Identity Services Engine
Cisco has uncovered a critical zero-day flaw in its Identity Services Engine, scoring a maximum CVSS rating of 10.0 and allowing attackers to bypass authentication and gain root access with just a single crafted request. This severe vulnerability requires immediate attention, as it can be exploited remotely without any credentials or user interaction.
Cisco Discloses Active Exploitation of ISE Flaw
Cisco warns that a critical API vulnerability, CVE-2026-76460, is under active exploitation, allowing attackers to bypass security and gain unauthorized access to devices with a simple crafted request. This maximum-severity flaw scores a perfect 10.0 on the CVSS scale, making it a high-risk threat that demands immediate attention.
Cisco Discloses Actively Exploited Zero-Day in Identity Services Engine
Cisco has sounded the alarm on a critical zero-day flaw in its Identity Services Engine that's being actively exploited by attackers, allowing them to bypass authentication and gain unauthorized access. To stay safe, customers are urged to upgrade to a patched version ASAP.
Google Patches Zero-Day Flaw Exploited in Pixel Phone Attacks
Google just patched a high-severity zero-day flaw that allowed hackers to exploit Pixel phones with zero clicks - and federal authorities are urging you to update your phone ASAP. This critical vulnerability let attackers escalate privileges and bypass permission checks, but thankfully it's now closed with a simple update.
Browser Extensions Expose AI Assistants to Takeover Risk
Researchers found that AI assistants in popular browser extensions are vulnerable to takeover risks due to a common architecture that splits the assistant into a browser-based "body" and a server-based "brain". This setup can be exploited with just two ordinary permissions, leaving users exposed.
TP-Link Cameras Expose Users to Eavesdropping Risk via Zero-Day Flaw
Millions of TP-Link camera users may be vulnerable to eavesdropping due to a zero-day flaw that lets hackers gain admin access without a password. This critical vulnerability affects popular models like the TP-Link Tapo C200, commonly used for baby and pet monitoring, home security, and small business protection.
WSO2 API Manager Flaw Sees Active Exploitation Attempts
A critical flaw in WSO2 API Manager, tracked as CVE-2026-5430, is under active exploitation, allowing hackers to bypass JWT authentication and gain unauthorized access with a CVSS score of 9.8 out of 10.0, potentially leading to account takeover and compromise of administrative accounts.
Apple Discloses Record 260 Vulnerabilities in Massive Patch Cycle
Apple just dropped a massive patch cycle, tackling a record-breaking 260+ vulnerabilities across its operating systems, browsers, and software products - the largest update of its kind in the company's history. This critical update includes fixes for 122 security issues in iOS 27 and 204 in macOS 27 Golden Gate.
Cisco Discloses Actively Exploited Zero-Day in Email Gateways
A critical zero-day vulnerability, CVE-2026-76461, is under active exploitation, allowing hackers to remotely execute commands as root on Cisco Secure Email Gateway appliances with just a simple email. This gaping security hole gives attackers total control of the gateway, putting your email security at risk.
Cisco Email Gateways Exploited by Malicious Emails
A single malicious email can wreak havoc on your Cisco Secure Email Gateway, thanks to a critical vulnerability (CVE-2026-76461) that allows hackers to gain root access with a 9.8 CVSS score - and patching is the only fix.
Vulnerability Response Accelerates to Machine Speed
The time it takes for vulnerabilities to go from disclosure to exploitation has drastically shrunk from 21.5 days to mere hours, forcing companies to respond at machine speed to stay ahead of threats. This reality was starkly illustrated in a recent incident involving PaperCut NG and MF servers, where emergency patches were rapidly deployed and bypassed in a matter of days.
Cisco Discloses Zero-Day Exploited in Secure Email Gateway Attacks
Cisco has warned of a zero-day flaw in its Secure Email Gateway that allows attackers to run commands as root, prompting federal agencies to patch the vulnerability within just three days. This critical defect, tracked as CVE-2026-76461, lets hackers execute arbitrary commands with root privileges, putting systems at risk.
China-Linked Hackers Exploit Chrome-Windows Zero-Day Chain
Meet the sneaky hackers who just pulled off a triple threat: exploiting not one, not two, but three zero-day vulnerabilities to break free from Chrome's sandbox and wreak havoc on Windows hosts. Their latest move? A targeted spear-phish attack on NGOs via a cleverly crafted link.
Cisco Email Gateway Flaw Exploited, Enables Root Command Execution
A critical Cisco email gateway flaw, CVE-2026-76461, with a near-perfect CVSS score of 9.8, is being actively exploited in the wild, allowing attackers to send a single crafted email and gain root command execution on vulnerable devices. This severe vulnerability stems from insufficient validation in AsyncOS email parsing, making it a pressing concern for Cisco Secure Email Gateway users.
Microsoft Patching Accelerates Amid AI-Driven Vulnerability Surge
Microsoft just dropped a massive September patch, fixing a record-breaking 972 vulnerabilities, including 112 critical ones that could put your system at risk. This huge update is part of a rapid acceleration in patch releases, fueled by AI-powered vulnerability detection that's uncovering more threats than ever.