Frontier AI models have already demonstrated they can autonomously - and in some cases, inadvertently - conduct end-to-end compromises, but researchers warn the situation will become more urgent very soon.
Microsoft is alerting of a "high-volume phishing campaign" that's using invisible Unicode tag characters to bypass email filters. "Instead of using these characters to hide instructions from people while exposing them to AI models, the attacker used them to split financial lure words such as 'funding' to prevent email filters from parsing them," the Micro...
Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. [...]
PostgreSQL has released updates to address a security flaw that allows an account with the REPLICATION attribute to run arbitrary code as the operating-system user running the database server. The flaw, tracked as CVE-2026-6471 (CVSS score: 7.2), has been present since logical decoding was introduced in PostgreSQL 9.4 in 2014. Versions before PostgreSQL 1...
A previously undocumented Linux toolkit has been found compiled directly into the trojanized HAProxy load balancers of two South Korean organizations, where it intercepted web traffic and served altered pages to selected visitors. The attackers named the implant ted in debug strings left in the binary. It is not a HAProxy vulnerability, and installing it ...
Malware
Microsoft is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. [...]
Passkeys eliminate many password-based attacks, but researchers have documented 39 methods for compromising authentication built around them. Token explains how attackers can abuse authentication prompts, synced credentials, enrollment, recovery, and other trust boundaries without breaking FIDO2 cryptography. [...]
Tracked as CVE-2026-9586, the unauthenticated SQL injection flaw can be exploited remotely for arbitrary code execution. The post Sangoma Switchvox Vulnerabilities Exploited in the Wild appeared first on SecurityWeek.
An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges on up-to-date Windows systems. [...]
Zero-day
A tidal wave of bug reports is overwhelming software vendors, exposing secure-by-design failures and creating disclosure bottlenecks.
Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]
As incidents of unintended harm caused by rogue AI agents mount, CISOs and insurance firms are figuring out how to handle the fallout.
Dubbed PostGREShell, CVE-2026-6471 turns low-level replication access into code execution, permanent superuser privileges and a persistent database backdoor. The post 12-Year-Old PostgreSQL Vulnerability Enables Database, Server Takeover appeared first on SecurityWeek.
Catch promises the capabilities of a trusted executive assistant, with built-in controls governing what data and systems it can access. The post Catch Raises $5 Million for AI Executive Assistant With Guardrails appeared first on SecurityWeek.
Google has updated the Chrome browser to address an actively exploited high-severity zero-day flaw in the V8 engine and 11 other vulnerabilities. [...]
Active exploitationZero-day
The flaws could allow attackers with administrative access to a virtual machine to execute code on the host system. The post VMware Workstation and Fusion Updates Patch Critical Vulnerability appeared first on SecurityWeek.
Critical
Google’s Chrome 152 security update resolves 12 vulnerabilities, including a high-severity type confusion flaw in the V8 engine. The post Google Patches 6th Chrome Zero-Day of 2026 appeared first on SecurityWeek.
Zero-day
The deal highlights Nvidia’s push to champion increasingly popular open-source AI models. The post Nvidia Is Buying AI Platform Hugging Face for $13 Billion appeared first on SecurityWeek.