Microsoft Defender Security Research recently disclosed CVE-2026-31431—nicknamed “Copy Fail”—a high‑severity local privilege escalation in the Linux kernel’s crypto subsystem that enables an unprivileged user to escalate to root. The vulnerability affects kernels released since 2017 and has broad implications for cloud and container environments because the exploit can corrupt in-memory representations of readable files (including setuid binaries) without changing the
Category: Hacking and Exploits
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How the Google Gemini CLI Flaw Turned CI/CD Pipelines into Remote Code Execution Risk
A critical remote code execution (RCE) vulnerability in the Google Gemini CLI and its associated GitHub Action exposed a startling weakness in how AI tooling can interact with developer infrastructure. Rated with the maximum CVSS score of 10.0, the bug allowed unprivileged external actors to execute commands on the machines running CI/CD workflows. This wasn’t a prompt-injection trick against a
Email threat landscape: Q1 2026 trends and insights
During the first quarter of 2026, email-based threats remained pervasive and dynamic. Microsoft Threat Intelligence recorded roughly 8.3 billion phishing messages across January–March, with monthly volumes edging down from about 2.9 billion in January to 2.6 billion in March. While total volume showed only slight decline, the quarter revealed important shifts in delivery mechanisms and attacker behavior: link-based attacks dominated,
CISA orders federal agencies to patch CVE-2026-32202 after zero-click NTLM hash leak is reported
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to secure Windows systems against a vulnerability tracked as CVE-2026-32202 after cybersecurity firm Akamai reported it as a zero-click NTLM hash leak left behind when Microsoft incompletely patched a February remote code execution flaw (CVE-2026-21510). CISA added CVE-2026-32202 to its Known Exploited Vulnerabilities (KEV) Catalog and mandated that
PhantomRPC: New Windows RPC Vulnerability Lets Attackers Escalate Privileges Across All Windows Versions
PhantomRPC is an architectural weakness in the Windows Remote Procedure Call (RPC) runtime that allows low-privileged processes to escalate to SYSTEM or Administrator by impersonating privileged clients. Disclosed by Kaspersky’s Haidar Kabibo at Black Hat Asia 2026, the flaw stems from how rpcrt4.dll handles connections to unavailable RPC servers: when a privileged process attempts an RPC call to a server
CISA: Zimbra XSS (CVE-2025-48700) Now Exploited — 10,500+ Servers Vulnerable
Over 10,000 instances of the Zimbra Collaboration Suite are exposed online and remain vulnerable to an actively exploited cross-site scripting flaw, raising fresh alarms about email server security for governments and businesses alike. The vulnerability, tracked as CVE-2025-48700, is serious because it can be triggered without user interaction and has been confirmed as abused in the wild, prompting action from