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485 result(s) for "Microsoft 365" — best match first.

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Latest headlines from security outlets

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LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
Fedora 30: glpi FEDORA-2019-a1636592a3

**GLPI version 9.4.4** This is a **security release**, upgrading is highly recommended Non exhaustive list of changes: * [security] Prevent account takeover v…

Linux

The Hacker News
The Hacker News Breaches & leaks
China-Linked Hackers Deploy New StormEncryptor Ransomware, Likely via N-central Flaw

Microsoft has disclosed that Storm-1175, a financially motivated threat actor linked to China, has deployed a previously undocumented ransomware strain called …

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities
Linux UEFI Shim Vulnerability Severe Exploitation of Obsolete Bootloaders

ESET researchers identified 11 old and forgotten Linux UEFI shim bootloaders at versions 0.9 and below that can be used to bypass UEFI Secure Boot on any UEFI-…

Linux

The Hacker News
The Hacker News Vulnerabilities
Russian Group EncryptHub Exploits MSC EvilTwin Vulnerability to Deploy Fickle Stealer Malware

The threat actor known as EncryptHub is continuing to exploit a now-patched security flaw impacting Microsoft Windows to deliver malicious payloads.Trustwave S…

Windows

The Hacker News
The Hacker News Vulnerabilities
Chinese Hackers Exploit MAVInject.exe to Evade Detection in Targeted Cyber Attacks

The Chinese state-sponsored threat actor known as Mustang Panda has been observed employing a novel technique to evade detection and maintain control over infe…

Windows

The Hacker News
The Hacker News Vulnerabilities
New UEFI Secure Boot Vulnerability Could Allow Attackers to Load Malicious Bootkits

Details have emerged about a now-patched security vulnerability that could allow a bypass of the Secure Boot mechanism in Unified Extensible Firmware Interface…

The Hacker News
The Hacker News Vulnerabilities
Researchers Uncover Vulnerabilities in AI-Powered Azure Health Bot Service

Cybersecurity researchers have discovered two security flaws in Microsoft's Azure Health Bot Service that, if exploited, could permit a malicious actor to achi…

Azure

The Hacker News
The Hacker News Vulnerabilities
CISA Adds Three Security Flaws with Active Exploitation to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added three security flaws to its Known Exploited Vulnerabilities (KEV) catalog ba…

Windows

The Hacker News
The Hacker News Vulnerabilities
Update Your Windows PCs Immediately to Patch New 0-Day Under Active Attack

Microsoft on Tuesday rolled outÂsecurity patchesÂto contain a total of 71 vulnerabilities in Microsoft Windows and other software, including a fix for an activ…

Windows

The Hacker News
The Hacker News Vulnerabilities
Update Your Windows PCs Immediately to Patch 4 New 0-Days Under Active Attack

Microsoft on Tuesday rolled outÂsecurity patchesÂto contain a total of 71 vulnerabilities in Microsoft Windows and other software, including a fix for an activ…

Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
SciLinux: SLSA-2021-3801-1 Important: kernel on SL7.x x86_

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: powerpc: KVM guest OS users can cause host OS memory c…

Linux

The Hacker News
The Hacker News Vulnerabilities
Researcher Uncovers Yet Another Unpatched Windows Printer Spooler Vulnerability

Merely days after Microsoft sounded the alarm on an unpatched security vulnerability in the Windows Print Spooler service, possibly yet another zero-day flaw i…

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Two Unpatched Critical 0-Day RCE Flaws Affect All Windows Versions

Microsoft today issued a new security advisory warning billions of Windows users of two new critical, unpatched zero-day vulnerabilities that could let hackers…

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Unpatched Critical 'Wormable' Windows SMBv3 Flaw Disclosed

Shortly after releasing its monthly batch of security updates, Microsoft late yesterday separately issued an advisory warning billions of its Windows users of …

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Two New Unpatched Critical RCE Flaws Affect All Windows Versions

Microsoft today issued a new security advisory warning billions of Windows users of two new critical, unpatched zero-day vulnerabilities that could let hackers…

Windows

The Hacker News
The Hacker News Breaches & leaks
Warlock Exploits SharePoint Flaws to Disable Security Tools and Deploy Ransomware

The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in att…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities
Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP Malware

A Chinese threat actor codenamed UTA0565 has been observed exploiting the recently disclosed Google Chrome-Microsoft Windows exploit chain as zero-days through…

Windows Chrome

The Hacker News
The Hacker News Vulnerabilities
Mass-Scanning Campaign Exploits Vite Flaw to Extract Cloud Credentials From Exposed Dev Servers

Cybersecurity researchers have disclosed details of a mass-scanning campaign that has targeted Vite deployments siphon sensitive data.The first is an automated…

Azure AWS

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
Gentoo Chromium High Multiple Issues Update Required GLSA-202609-02

Multiple vulnerabilities have been found in Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi.

Chrome

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
Fedora 43 python-idna Important Denial of Service Fix 2026-6215e65f6c

A new version of python-idna (3.18) has been released in Fedora 43, fixing vulnerabilities CVE-2026-45409 and CVE-2024-3651, while supporting updated IDNA prot…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks
Debian LTS Linux Critical Privilege Escalation and DoS Update DLA-4688-1

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For Debian 12…

Linux Azure

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Vulnerabilities
11 Old Signed UEFI Shims Just Broke Secure Boot on Millions of PCs

ESET found 11 Microsoft-signed UEFI shims, some over a decade old, that let attackers bypass Secure Boot without a single new exploit.11 Old Signed UEFI Shims …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
Fedora 44 python-idna Important Denial of Service Fix 2026-822c07add4

Update to the latest version to bring fixes for CVE-2026-45409 and CVE-2024-3651 into the stable releases.

Linux

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Breaches & leaks
How the GodDamn Ransomware Driver Bypasses Your EDR

GodDamn ransomware's PoisonX driver is a textbook EDR bypass driver: a Microsoft-signed kernel driver that kills security tools instead of exploiting them.How …