1 critical · 16 to skim · 1 to act on
In early March, GitHub patched a critical remote code execution vulnerability ( CVE-2026-3854 ) that could have allowed attackers to access millions of private repositories.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to secure their Windows systems against a vulnerability exploited in zero-day attacks.
Hackers are targeting sensitive information stored in the LiteLLM open-source large-language model (LLM) gateway by exploiting a critical vulnerability tracked as CVE-2026-42208.
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A member of Silk Typhoon, Xu Zewei is accused of launching cyberattacks against universities in the US.
A fake RPC server can be used to listen for RPC requests and impersonate the target service to elevate privileges to System.
Microsoft has confirmed a new issue causing newly introduced Windows security warnings to display incorrectly when opening Remote Desktop (.rdp) files.
Online trading platform Robinhood's account creation process was exploited by threat actors to inject phishing messages into legitimate emails, tricking users into believing their accounts had suspicious activity.
A Chinese national accused of carrying out cyberespionage operations for China's intelligence services has been extradited from Italy to the United States to face criminal charges.
The U.S. Federal Trade Commission (FTC) warned of a massive increase in losses from social media scams since 2020, exceeding $2.1 billion in 2025.
An attacker pushed a malicious version of the popular elementary-data package Python Package Index (PyPI) to steal sensitive developer data and cryptocurrency wallets. The dangerous release is 0.23.
The initial vulnerability was exploited by Russia-linked APT28 in attacks against Ukraine and EU countries.
A code reuse issue enabled comma characters in certificate principals to be interpreted as list separators.
The threat actor infected victims with the Snow malware family – Snowbelt, Snowglaze, and Snowbasin – for persistent access.
A race condition in PackageKit allows unprivileged users to escalate privileges when installing packages.
Microsoft says it's rolling out a revamped Windows Insider Program experience as part of the broader plans to address reliability concerns in Windows 11.
Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower
Microsoft is rolling out Windows Update improvements that give users more control over how updates are installed while reducing disruption from frequent or poorly timed restarts.
A new vulnerability dubbed Pack2TheRoot could be exploited in the PackageKit daemon to allow local Linux users to install or remove system packages and gain root permissions.
Over 10,000 Zimbra Collaboration Suite (ZCS) instances exposed online are vulnerable to ongoing attacks exploiting a cross-site scripting (XSS) security flaw, according to nonprofit security organization Shadowserver.
Hackers are actively exploiting a critical vulnerability in the Breeze Cache plugin for WordPress that allows uploading arbitrary files on the server without authentication.
CISA has given U.S. government agencies two weeks to secure their Windows systems against a Microsoft Defender privilege escalation vulnerability that has been exploited in zero-day attacks.
Article updated with statement from Signal thanking Apple for addressing the vulnerability .
Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability. The security flaw (tracked as CVE-2026-40372 ) was found in the ASP.
Over 1,300 Microsoft SharePoint servers exposed online remain unpatched against a spoofing vulnerability that was exploited as a zero-day and is still being abused in ongoing attacks.
Microsoft's April 2026 Patch Tuesday addresses 167 security vulnerabilities, including an actively exploited SharePoint Server zero-day and a publicly disclosed Windows Defender flaw called 'BlueHammer'. Google Chrome patched its fourth zero-day of 2026, and Adobe Reader received an emergency fix for an actively exploited remote code execution vulnerability. Developers should prioritize updating all affected systems immediately, especially those running SharePoint Server, Chrome, and Adobe Reader, as active exploitation is confirmed.
Microsoft: New Remote Desktop warnings may display incorrectly