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BlueHammer Zero-Day: Windows Local Privilege Escalation Exploit Risks
HIGH
Vulnerabilities

BlueHammer Zero-Day: Windows Local Privilege Escalation Exploit Risks

Researcher Chaotic Eclipse released the BlueHammer zero-day exploit for Windows, enabling local privilege escalation. Learn how to detect and mitigate it.

Runtime Rebel Intel
4 min read · Apr 10, 2026
INFO
Threat Intel

Classic Outlook Bug Halts Outlook.com Email Delivery for Users

Microsoft is actively investigating a Classic Outlook bug preventing some users from sending emails via Outlook.com. This impacts email delivery and communication.

Runtime Rebel Intel
4 min read · Apr 2, 2026
HIGH
Threat Intel

EvilTokens Fuels Microsoft Device Code Phishing & BEC

New EvilTokens service automates Microsoft device code phishing, enabling account takeover and sophisticated business email compromise (BEC) attacks. Learn how to defend.

Runtime Rebel Intel
5 min read · Apr 1, 2026
LOW
Threat Intel

Windows 11 KB5079391: Smart App Control AI Enhancements for 24H2

Microsoft releases Windows 11 KB5079391 preview update, enhancing Smart App Control with AI models to mitigate malicious software execution on 24H2 systems.

Runtime Rebel Intel
4 min read · Mar 27, 2026
IRS Phishing Campaign Targets 29,000 Users with RMM Malware
HIGH
Threat Intel

IRS Phishing Campaign Targets 29,000 Users with RMM Malware

Microsoft warns of a widespread IRS phishing campaign targeting 29,000 users with tax-themed lures to deploy RMM malware and steal enterprise credentials.

Runtime Rebel Intel
4 min read · Mar 23, 2026
HIGH
Vulnerabilities

CVE-2024-38094: SharePoint RCE Exploited in the Wild — Patch Now

CISA adds CVE-2024-38094 to its KEV catalog after active exploitation of a SharePoint RCE vulnerability. Learn how to detect and remediate this threat.

Runtime Rebel Intel
3 min read · Mar 19, 2026

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INFO
Threat Intel

Tech Giants Sign Industry Pact to Combat Online Scams and Fraud

Leading tech firms including Google, Meta, and Microsoft sign a collaborative pact to enhance cross-platform intelligence sharing and fight online scams.

Runtime Rebel Intel
3 min read · Mar 17, 2026
MEDIUM
Vulnerabilities

Windows 11 24H2 Samsung Galaxy Book C: Drive Access Fix

Microsoft releases technical guidance to resolve C: drive access denied errors and application failures on Samsung Galaxy Book devices running Windows 11.

Runtime Rebel Intel
4 min read · Mar 17, 2026
HIGH
Vulnerabilities

Windows 11 24H2 RRAS RCE: Microsoft Issues OOB Hotpatch Fix

Microsoft releases an out-of-band hotpatch for Windows 11 24H2 to address critical RRAS remote code execution vulnerabilities CVE-2024-43513 and CVE-2024-49053.

Runtime Rebel Intel
3 min read · Mar 15, 2026
HIGH
Vulnerabilities

Windows 11 C: Drive Access Failure on Samsung PCs - Mitigation Guide

Microsoft investigates an issue where February 2026 Windows 11 security updates prevent C: drive access on Samsung laptops, blocking all applications.

Runtime Rebel Intel
4 min read · Mar 14, 2026
Storm-2561 Leverages SEO Poisoning for Credential Theft
HIGH
Threat Intel

Storm-2561 Leverages SEO Poisoning for Credential Theft

Microsoft warns of Storm-2561's credential theft campaign using SEO poisoning to distribute fake, digitally signed VPN clients disguised as legitimate enterprise…

Runtime Rebel Intel
5 min read · Mar 13, 2026
HIGH
Vulnerabilities

Microsoft Patch Tuesday Analysis: Addressing Critical RCE and Quishing

Technical analysis of the March 2026 Patch Tuesday cycle, focusing on Windows RCE, kernel-level privilege escalation, and emerging QR code phishing trends.

Runtime Rebel Intel
3 min read · Mar 13, 2026
Microsoft March Patch Tuesday: 84 Flaws Fixed Including Public Zero-Days
HIGH
Vulnerabilities

Microsoft March Patch Tuesday: 84 Flaws Fixed Including Public Zero-Days

Microsoft releases March security updates for 84 vulnerabilities, including 8 Critical flaws and 2 public zero-days. Patch now to prevent RCE and privilege escalation.

Runtime Rebel Intel
3 min read · Mar 11, 2026
Microsoft March Update: 83 CVEs Patched, Prioritization Key
HIGH
Vulnerabilities

Microsoft March Update: 83 CVEs Patched, Prioritization Key

Microsoft's March Patch Tuesday addresses 83 CVEs across its product line. Learn why applying these security updates is crucial for defending against potential…

Runtime Rebel Intel
4 min read · Mar 11, 2026
HIGH
Vulnerabilities

March 2026 Patch Tuesday: Microsoft Fixes 77 Vulnerabilities

Microsoft's March 2026 Patch Tuesday addresses 77 vulnerabilities across Windows and other software. Learn about the risks and how to prioritize patching.

Runtime Rebel Intel
3 min read · Mar 11, 2026
HIGH
Vulnerabilities

Microsoft Patch Tuesday: 83 Vulnerabilities, Critical Flaw Addressed

Microsoft's latest Patch Tuesday addresses 83 vulnerabilities across its product line, including one critical flaw. Security teams must prioritize immediate patching.

Runtime Rebel Intel
4 min read · Mar 10, 2026
HIGH
Threat Intel

AI-Enhanced Cyberattacks: Microsoft Details LLM Abuse by APT Groups

Microsoft reveals how nation-state actors like APT28 and Crimson Sandstorm are using AI to automate reconnaissance and refine social engineering lures.

Runtime Rebel Intel
4 min read · Mar 7, 2026
Windows Terminal Exploited in ClickFix Campaign for Lumma Stealer
HIGH
Threat Intel

Windows Terminal Exploited in ClickFix Campaign for Lumma Stealer

Microsoft identifies a new ClickFix campaign using Windows Terminal to deliver Lumma Stealer. Analysis of social engineering TTPs and mitigation steps included.

Runtime Rebel Intel
4 min read · Mar 6, 2026
MEDIUM
Threat Intel

Sentencing in $24 Million Microsoft Licensing Fraud Scheme

A Florida woman has been sentenced to 22 months in prison for a multi-million dollar scheme involving stolen Microsoft Certificate of Authenticity labels.

Runtime Rebel Intel
3 min read · Mar 2, 2026
APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence
CRITICAL
Threat Intel

APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence

Akamai reports Russia-linked APT28 exploited CVE-2026-21513 in the MSHTML Framework as a zero-day before Microsoft's February 2026 security patch updates.

Runtime Rebel Intel
3 min read · Mar 2, 2026
INFO
Threat Intel

Windows 11 KB5077241: Native Sysmon Integration and BitLocker Updates

Microsoft integrates native Sysmon and enhances BitLocker management in the Windows 11 KB5077241 optional update, providing advanced telemetry for defenders.

Runtime Rebel Intel
4 min read · Feb 25, 2026
LOW
Vulnerabilities

Microsoft Investigating Mouse Pointer Bug in Classic Outlook

Microsoft confirms a bug in classic Outlook causing the mouse cursor to disappear during email composition. Discover the technical details and mitigation steps.

Runtime Rebel Intel
4 min read · Feb 24, 2026
CRITICAL
Vulnerabilities

Microsoft February 2026 Security Update: Analysis of Six Actively Exploited Zero-Days

Microsoft's latest security release addresses 50+ vulnerabilities, including six zero-day exploits targeting Windows kernel components and browser engines.

Runtime Rebel Intel
2 min read · Feb 23, 2026