ARTIKEL SUCHE
Threat Feed QueryDurchsuche alle aggregierten Security-Artikel nach Schlagworten, CVE-IDs und Quellen.
CISA orders feds to patch BlueHammer flaw exploited as zero-day
CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks. [...]
Recent Microsoft Defender Vulnerability Exploited as Zero-Day
The flaw allows attackers to access the SAM database, extract NTLM hashes, and gain System privileges. The post Recent Microsoft Defender Vulnerability Exploited as Zero-Day appeared first on SecurityWeek.
Over 1,300 Microsoft SharePoint servers vulnerable to spoofing attacks
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. [...]
A tsunami of flaws: When frontier AI and Patch Tuesday collide
<p>Microsoft’s regular monthly round of vulnerability fixes dropped <a href="https://www.computerweekly.com/news/366641679/April-Patch-Tuesday-brings-zero-days-in-Defender-SharePoint-Server" target="_blank" rel="noopener
Microsoft Defender under attack as three zero-days, two of them still unpatched, enable elevated access
Attackers exploit three Microsoft Defender zero-days, code-named BlueHammer, RedSun, and UnDefend, to gain elevated access. Attackers are exploiting three recently disclosed zero-day flaws in Microsoft Defender to gain h
Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched
Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity involves the exploitation of three vuln
Recently leaked Windows zero-days now exploited in attacks
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or elevated administrator permissions. [...]
Microsoft Defender 0-Day Vulnerability “RedSun” Enables Full SYSTEM Access
A newly disclosed zero-day vulnerability in Microsoft Defender, dubbed “RedSun,” allows an unprivileged user to escalate privileges to full SYSTEM-level access on fully patched Windows 10, Windows 11, and Windows Server
New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges
A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works with cybersecurity resea
April Patch Tuesday fixes two zero-days, including one under active attack
This month’s Patch Tuesday addresses 167 vulnerabilities, including two zero-days that could lead to system compromise, data exposure, and privilege escalation.
Microsoft Issues Patches for SharePoint Zero-Day and 168 Other New Vulnerabilities
Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively exploited in the wild. Of these 169 vulnerabilities, 157 are r
Microsoft Defender 0-Day Vulnerability Enables Privilege Escalation Attack
Microsoft has released patch Tuesday security updates to address a newly discovered zero-day vulnerability in the Microsoft Defender Antimalware Platform. Disclosed on April 14, 2026, the flaw is tracked as CVE-2026-33
Microsoft Patch Tuesday for April 2026 fixed actively exploited SharePoint zero-day
Microsoft Patch Tuesday security updates for April 2026 fixed 165 vulnerabilities, including an actively exploited SharePoint zero-day. Microsoft Patch Tuesday security updates addressed 165 vulnerabilities, making it on
Microsoft SharePoint Server 0-Day Vulnerability Actively Exploited in Attacks
A critical zero-day spoofing vulnerability in Microsoft SharePoint Server is being actively exploited in the wild, Microsoft confirmed on April 14, 2026, as part of its monthly security update cycle. Tracked as CVE-2026-
Patch Tuesday, April 2026 Edition
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in
April Patch Tuesday brings zero-days in Defender, SharePoint Server
<p>The latest monthly <a href="https://www.techtarget.com/searchsecurity/definition/Patch-Tuesday" target="_blank" rel="noopener">Patch Tuesday</a> update from Microsoft landed earlier on 14 April, including two notable
Researcher Reverse Engineered 0-Day Used to Disable CrowdStrike EDR
A cybersecurity researcher has uncovered a new Bring Your Own Vulnerable Driver (BYOVD) attack that can turn off top-tier endpoint security solutions, including CrowdStrike Falcon. By reverse-engineering a previously unk
Adobe rolls out emergency fix for Acrobat, Reader zero-day flaw
Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that has been exploited in zero-day attacks since at least December. [...]
⚡ Weekly Recap: Fiber Optic Spying, Windows Rootkit, AI Vulnerability Hunting and More
Monday is back, and the weekend’s backlog of chaos is officially hitting the fan. We are tracking a critical zero-day that has been quietly living in your PDFs for months, plus some aggressive state-sponsored meddling in
Your MTTD Looks Great. Your Post-Alert Gap Doesn't
Anthropic restricted its Mythos Preview model last week after it autonomously found and exploited zero-day vulnerabilities in every major operating system and browser. Palo Alto Networks' Wendi Whitmore warned that simil