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#Zero-Day

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HIGH
Vulnerabilities

Gogs Self-Hosted Git RCE via Zero-Day: Mitigation Guide

An unpatched zero-day vulnerability in Gogs self-hosted Git service allows attackers to achieve remote code execution, impacting Internet-facing instances.

Runtime Rebel Intel
4 min read · May 28, 2026
Microsoft Condemns Public Zero-Day Disclosures, Advocates CVD
INFO
Threat Intel

Microsoft Condemns Public Zero-Day Disclosures, Advocates CVD

Microsoft reiterates strong support for Coordinated Vulnerability Disclosure, criticizing immediate public zero-day disclosures after a researcher's account removal.

Runtime Rebel Intel
4 min read · May 28, 2026
HIGH
Vulnerabilities

CVE-2023-41179: Trend Micro Apex One RCE Exploited in Attacks

Trend Micro patches CVE-2023-41179, a critical zero-day in Apex One and Worry-Free Business Security exploited to execute arbitrary commands on Windows systems.

Runtime Rebel Intel
3 min read · May 22, 2026
CRITICAL
Vulnerabilities

CVE-2026-34926: TrendAI Apex One Directory Traversal Exploit Analysis

TrendAI patches a critical zero-day directory traversal vulnerability (CVE-2026-34926) in Apex One on-premise currently exploited in the wild.

Runtime Rebel Intel
4 min read · May 22, 2026
HIGH
Vulnerabilities

AI-Assisted macOS Kernel Exploit on Apple M5 Hardware

Security researchers used Anthropic’s Mythos AI to develop a macOS kernel memory corruption exploit for the Apple M5 chip in just five days. Patch now.

Runtime Rebel Intel
3 min read · May 21, 2026
HIGH
Vulnerabilities

Chromium RCE Risk: Unfixed Flaw Allows Background JavaScript

Google accidentally exposed details of an unfixed Chromium flaw. This enables RCE via persistent background JavaScript execution, affecting many browsers.

Runtime Rebel Intel
4 min read · May 21, 2026

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Linux Rootkits and Router Zero-Day Exploits: ThreatsDay Analysis
HIGH
Threat Intel

Linux Rootkits and Router Zero-Day Exploits: ThreatsDay Analysis

Recent intelligence highlights a surge in Linux rootkits and router zero-day vulnerabilities targeting trusted system components and AI-driven intrusions.

Runtime Rebel Intel
4 min read · May 21, 2026
CRITICAL
Vulnerabilities

CVE-2024-21338: Microsoft Defender Zero-Day Exploited by Lazarus

Microsoft patches two zero-day vulnerabilities in Defender and SmartScreen exploited by Lazarus Group for privilege escalation and malware delivery.

Runtime Rebel Intel
4 min read · May 21, 2026
HIGH
Vulnerabilities

YellowKey Zero-Day: Mitigating BitLocker Encryption Bypasses in Windows

Microsoft releases mitigation guidance for the YellowKey zero-day, a Windows BitLocker vulnerability allowing unauthorized access to encrypted data volumes.

Runtime Rebel Intel
3 min read · May 20, 2026
CVE-2026-42897: Microsoft Exchange OWA XSS Zero-Day Under Attack
CRITICAL
Vulnerabilities

CVE-2026-42897: Microsoft Exchange OWA XSS Zero-Day Under Attack

Active Zero-Day XSS vulnerability, CVE-2026-42897, impacts Microsoft Exchange OWA, allowing mailbox compromise. No patch available.

Runtime Rebel Intel
5 min read · May 19, 2026
Microsoft Exchange Zero-Day and npm Supply Chain Worm Under Active Use
CRITICAL
Threat Intel

Microsoft Exchange Zero-Day and npm Supply Chain Worm Under Active Use

Critical security briefing on the active exploitation of an Exchange Server zero-day, npm supply chain worms, and Cisco network control vulnerabilities.

Runtime Rebel Intel
3 min read · May 18, 2026
MiniPlasma 0-Day: Windows SYSTEM Privilege Escalation via cldflt.sys
HIGH
Vulnerabilities

MiniPlasma 0-Day: Windows SYSTEM Privilege Escalation via cldflt.sys

Technical analysis of the MiniPlasma zero-day vulnerability in cldflt.sys enabling SYSTEM privilege escalation on fully patched Windows systems.

Runtime Rebel Intel
3 min read · May 18, 2026
HIGH
Vulnerabilities

Pwn2Own Berlin 2026: Critical RCE and Escalation Targets Identified

Security researchers demonstrate critical zero-day exploits against Windows, VMware, and AI systems at Pwn2Own Berlin 2026, earning over $1.3 million.

Runtime Rebel Intel
3 min read · May 18, 2026
HIGH
Vulnerabilities

Windows MiniPlasma Zero-Day Exploit: How to Mitigate LPE Threats

A new zero-day exploit dubbed MiniPlasma allows local attackers to gain SYSTEM privileges on fully patched Windows systems. Learn detection and mitigation steps.

Runtime Rebel Intel
3 min read · May 18, 2026
HIGH
Vulnerabilities

Pwn2Own Berlin: Microsoft Exchange, Windows 11 Zero-Day Exploits

Zero-day vulnerabilities in Microsoft Exchange, Windows 11, and Red Hat Enterprise Linux demonstrated at Pwn2Own Berlin. Runtime Rebel details the impact.

Runtime Rebel Intel
4 min read · May 15, 2026
CRITICAL
Vulnerabilities

CVE-2026-42897: Microsoft Exchange Server Zero-Day Exploited in Wild

Microsoft warns of CVE-2026-42897, a critical Exchange Server zero-day exploited in the wild. Implement Extended Protection mitigations immediately to secure systems.

Runtime Rebel Intel
3 min read · May 15, 2026
CRITICAL
Vulnerabilities

CVE-2024-49040: Microsoft Exchange Server Spoofing Vulnerability

Microsoft warns of CVE-2024-49040, a zero-day spoofing vulnerability in Exchange Server exploited to bypass security filters and impersonate trusted senders.

Runtime Rebel Intel
4 min read · May 15, 2026
CRITICAL
Vulnerabilities

Cisco SD-WAN RCE via CVE-2026-20182 — Mitigation Guide

Cisco patches CVE-2026-20182, the sixth SD-WAN zero-day exploited in 2026. Learn how threat actor UAT-8616 leverages this flaw for targeted attacks.

Runtime Rebel Intel
3 min read · May 15, 2026
CVE-2026-42897: How Attackers Exploit Microsoft Exchange Server
CRITICAL
Vulnerabilities

CVE-2026-42897: How Attackers Exploit Microsoft Exchange Server

Microsoft warns of active exploitation of CVE-2026-42897, a critical spoofing and XSS vulnerability in on-premise Exchange Server triggered via email.

Runtime Rebel Intel
3 min read · May 15, 2026
CRITICAL
Vulnerabilities

Cisco Catalyst SD-WAN Controller Authentication Bypass via CVE-2026-20182 Exploited in Zero-Day Attacks

Cisco warns of a critical authentication bypass in Catalyst SD-WAN Controller (CVE-2026-20182) actively exploited in zero-day attacks, granting admin access.

Runtime Rebel Intel
4 min read · May 14, 2026
HIGH
Vulnerabilities

Windows BitLocker Zero-Day Bypass and Privilege Escalation PoC Released

Security researcher releases PoC for YellowKey and GreenPlasma, unpatched vulnerabilities allowing BitLocker bypass and SYSTEM privilege escalation on Windows.

Runtime Rebel Intel
4 min read · May 13, 2026
AI-Developed Zero-Day 2FA Bypass: Analyzing Google's Disclosure
HIGH
Threat Intel

AI-Developed Zero-Day 2FA Bypass: Analyzing Google's Disclosure

Google identifies the first in-the-wild zero-day exploit for 2FA bypass developed using AI, signaling a shift in cybercriminal vulnerability discovery.

Runtime Rebel Intel
3 min read · May 11, 2026
HIGH
Threat Intel

AI-Augmented Zero-Day Exploitation and Autonomous Malware Orchestration

GTIG report reveals how threat actors leverage generative AI for zero-day discovery, autonomous Android malware orchestration, and AI supply chain attacks.

Runtime Rebel Intel
4 min read · May 11, 2026
INFO
Vulnerabilities

Google’s Big Sleep AI Agent Discovers Real-World SQLite Zero-Day

Google Project Zero and DeepMind’s Big Sleep agent identifies an exploitable stack-based buffer underflow in SQLite, marking a shift in AI vulnerability discovery.

Runtime Rebel Intel
4 min read · May 11, 2026