ServiceNow has warned about a security incident in which unknown threat actors exploited a flaw to obtain deeper unauthorized access to susceptible instances. "On June 5, 2026, ServiceNow applied a security update to hosted customer instances," the company revealed in an advisory that requires customer access. "The update concerned a security issue that could allow an unauthenticated user, in

Organizations are advised to apply vendor-supplied mitigations or discontinue the vulnerable devices. The post No Patch Planned for Exploited Arista EOS Vulnerability appeared first on SecurityWeek.

Ivanti has patched two critical vulnerabilities in its Sentry secure mobile gateway solution, including a maximum-severity flaw that enables remote attackers to execute code with root privileges. [...]

The anonymous security researcher going by the name Chaotic Eclipse (aka Nightmare-Eclipse) has released a proof-of-concept (PoC) exploit for yet another Microsoft Defender zero-day named RoguePlanet. "The exploit is a race condition, so it's a hit or miss," the researcher, who published the exploit under a new GitHub account, "MSNightmare" said. "I have managed to get a 100% success rate on

Cybersecurity researchers have flagged half a dozen vulnerabilities in protobuf.js, a JavaScript and TypeScript implementation of Protocol Buffers (Protobuf), that, if successfully exploited, could result in remote code execution (RCE) and denial-of-service (DoS) attacks. "In affected environments, a single malicious protobuf schema, descriptor, or crafted payload could be enough to trigger

Anthropic has begun rolling out a new model called "Fable," which is based on the same underlying model as Mythos, its most powerful AI model class. [...]

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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 bugs earned Microsoft's most dire "critical" rating, and exploit code for at least three of the weaknesses is now publicly available.

Former National Cyber Director Chris Inglis warns that cyber attacks threaten hospitals, utilities and essential services.

Voluminous patch updates could soon be the norm, as artificial intelligence accelerates the speed and scale of vulnerability discovery.

ServiceNow is warning about a security incident after attackers exploited an unauthenticated access flaw through a vulnerable API endpoint, allowing them to query data from customer instances. [...]

Phishing simulation on an OpenClaw email agent with various configuration profiles showed that it was susceptible to tactics commonly used to compromise human users. [...]

"Ghost-Sender" uses Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter to achieve this level of spoofing.

SAP has released fixes for 15 vulnerabilities as part of its June 2026 Security Patch package, including four critical-severity flaws affecting SAP NetWeaver and SAP Commerce Cloud. [...]

The attacks stemmed from a GitHub account that was also compromised in a previous Miasmi attack on Microsoft last month.

Three of the vulnerabilities fixed with the latest Patch Tuesday updates were publicly disclosed before Microsoft addressed them. The post Microsoft Patches 200 Vulnerabilities appeared first on SecurityWeek.

Microsoft has released the Windows 10 KB5094127 extended security update, which fixes the June 2026 Patch Tuesday vulnerabilities and adds new functionality to monitor the rollout of updated Secure Boot certificates that replace those expiring this month. [...]

Nearly half of the security holes, most allowing arbitrary code execution, have been fixed in Adobe’s Experience Manager product. The post Adobe Patches 123 Vulnerabilities appeared first on SecurityWeek.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws and three publicly disclosed zero-day vulnerabilities. [...]

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks. [...]

Microsoft has released Windows 11 KB5094126 and KB5093998 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

Meta on Tuesday announced that it will use information shared by other businesses to personalize users' feed and responses from its artificial intelligence (AI) chatbot, expanding its scope beyond targeted ads. "Businesses often share information about people's activity on their sites with us to make ads more relevant," Meta said in a statement. "We already use this data - like games you play

The AI giant also announced that Project Glasswing partners are being given access to the upgraded Mythos 5. The post Anthropic Launches Claude Fable 5: Mythos-Class AI With Cybersecurity Guardrails  appeared first on SecurityWeek.

A total of 18 vulnerabilities have been patched in the latest OpenSSL releases, including many that were potentially discovered by AI. The post OpenSSL Patches High-Severity Vulnerability Found With AI appeared first on SecurityWeek.

Veeam has released security patches to address a critical flaw in its Backup & Replication software that could result in remote code execution. Tracked as CVE-2026-44963, the vulnerability carries a CVSS score of 9.4 out of a maximum of 10.0. "A vulnerability allowing remote code execution (RCE) on the Backup Server by an authenticated domain user," Veeam said in a Tuesday advisory. It

Microsoft on Monday confirmed that it temporarily removed some GitHub repositories in response to a recent security incident that led to 73 of its open-source projects being compromised to inject an information stealer into the code. "Our priority is to protect customers and the broader ecosystem," a Microsoft spokesperson told The Hacker News via email. "We temporarily removed some

Anthropic's Mythos Preview was highly effective at finding vulnerability candidates, especially when analyzing source code. XBOW explores how the model performed across exploit discovery, reverse engineering, and live-site validation. [...]

Microsoft removed 73 repositories across its Azure, microsoft, Azure-Samples, and MicrosoftDocs organizations on GitHub, disrupting continuous integration pipelines. [...]

Two separate campaigns target CVE-2025-8088, fixed last July, to conduct data theft and cyberespionage against military and government targets in Ukraine.

Public LLM models with safeguards turned off can also build working exploits, increasing patch gap risks. The post Claude Mythos Turns N-Days Into N-Hours With Rapid Exploit Creation appeared first on SecurityWeek.