The default HTTP/2 configuration of major web servers is vulnerable to an attack chain combining a compression bomb and a Slowloris-style hold.
The post ‘HTTP/2 Bomb’ Exploit Knocks Web Servers Offline in Seconds appeared first on SecurityWeek.
Unpatched Windows Search URI Vulnerability Lets Attackers Steal NTLMv2 Hashes
Cybersecurity researchers have disclosed details of an unpatched issue that could be exploited to disclose a user’s NTLMv2 hash to the attacker.
Like in the case of CVE-2026-33829, which impacted the Windows Snipping Tool’s ms-screensketch: URI handler, the newly flagged issue resides in the search: URI handler, per Huntress.
CVE-2026-33829 refers to a spoofing vulnerability that could expose
Police dismantles 9 crime groups in illegal streaming crackdown
European and international law enforcement agencies have dismantled nine organized crime groups and arrested 29 suspects in a major crackdown on illegal streaming operations. […]
Microsoft Tries to Calm Legal Threat Fears After Zero-Day Disclosure Backlash
Microsoft has responded to backlash over its initial threats of legal action against researchers who publicly disclose zero-day vulnerabilities without coordinated notification. The controversy concerns a researcher known online as Chaotic Eclipse and Nightmare Eclipse, who in recent weeks disclosed the details and proof-of-concept (PoC) exploits for several unpatched vulnerabilities affecting Microsoft products. Details remain […]
The post Microsoft Tries to Calm Legal Threat Fears After Zero-Day Disclosure Backlash appeared first on SecurityWeek.
Google adds Android protection against AI deepfake scam calls
Google is introducing a new Android security feature that will detect and flag phone calls in which scammers use artificial intelligence to impersonate a user’s personal contacts. […]
New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare
Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora.
The vulnerability has been codenamed HTTP/2 Bomb by Calif.
“The vulnerable behavior exists in each server’s default HTTP/2 configuration,” the company said, adding it was discovered by OpenAI Codex by chaining
VS Code zero-day lets hackers steal GitHub tokens in one click
A security researcher has released exploit code for a Visual Studio Code (VS Code) zero-day vulnerability that allows attackers to steal GitHub authentication tokens by tricking users into clicking a link. […]
Weedhack Attacks Minecraft Users, CountLoader Hits 86K, Miners Spread via Pirated Content
Cybersecurity researchers have flagged a new campaign targeting Minecraft players via YouTube to spread malware capable of gaining control of victims’ systems.
The Minecraft-focused malware-as-a-service (MaaS) campaign has been codenamed Weedhack by McAfee Labs, stating the activity has been active since January 2026 and impersonates Minecraft clients and mods to infect users. In all, 3820
Microsoft’s Coreutils project brings Linux commands to Windows
Microsoft announced today at its Build 2026 developer conference the release of Coreutils for Windows, bringing many commonly used Linux command-line utilities to Windows as native applications. […]
OpenAI upgrades GPT-5.5, as it plans to retire legacy ChatGPT models
OpenAI says it’s rolling out a new update that improves the existing GPT-5.5 Instant model, and this move comes ahead of the scheduled retirement of multiple legacy models, including o3. […]