Tag: microsoft
702 articles

Flaws in Hybrid Cloud Tools Expose Dual Attack Surfaces
Researchers have uncovered four vulnerabilities in Microsoft's Windows Admin Center, exposing a dual attack surface in hybrid cloud tools that may be flying under your radar. If left unmonitored, this unmanaged attack surface can leave your organization vulnerable to potential threats.

Microsoft Fixes ASP.NET Core Bug That Enables Privilege Escalation
Microsoft just patched a critical bug in ASP.NET Core that could let hackers escalate their privileges and take control - and they've already released an out-of-band update to fix it. The flaw, tracked as CVE-2026-40372, carries a near-perfect CVSS score of 9.1, indicating a high severity threat.

Microsoft Disrupts ASP.NET Flaw Allowing SYSTEM Privilege Escalation
Microsoft has patched a critical ASP.NET Core vulnerability, CVE-2026-40372, that allowed unauthenticated attackers to forge authentication cookies and gain SYSTEM privileges on affected devices. This fix addresses a flaw in the ASP.NET Core Data Protection cryptographic APIs that could be exploited for privilege escalation.

Microsoft Issues Emergency Update to Fix Windows Server Restart Loop
Microsoft has released an emergency update to fix a critical issue causing some Windows Server devices to get stuck in a restart loop after a recent update. This out-of-band update aims to quickly resolve the problem and prevent further disruptions.

Microsoft Bolsters Windows Explorer with Speed and Performance Upgrades
Microsoft is testing a game-changing upgrade to File Explorer, making it noticeably faster and more efficient, and you could be one of the first to experience it. The tech giant is rolling out launch speed and performance improvements to Windows 11 Insider participants.

Microsoft Fixes Windows Server Issues with Emergency Updates
Microsoft has released emergency updates to fix critical issues with Windows Server systems that arose after installing the April 2026 security updates, ensuring administrators can safeguard their systems without worrying about unexpected server trouble. These out-of-band updates provide a swift remedy for problems introduced by the routine security patches.
Microsoft patches trigger reboot loops in some Windows servers
Microsoft's latest security updates have caused some Windows servers to malfunction, triggering frustrating reboot loops that can bring entire authentication backbones to a grinding halt. This unexpected issue raises serious concerns about the reliability of enterprise updates.

Microsoft Defender Zero-Day Exploit Grants SYSTEM Privileges
A security researcher, known as Chaotic Eclipse, has taken a bold stand against Microsoft's approach to working with cybersecurity experts by releasing a proof-of-concept exploit, dubbed RedSun, that grants SYSTEM privileges and exposes a zero-day vulnerability in Microsoft Defender. This dramatic move sparks renewed debate about disclosure, access, and the complex relationship between researchers and tech giants.

Microsoft Offers Lifeline for Laggard Exchange, Skype Customers
Microsoft is throwing a lifeline to organizations still relying on outdated Exchange Server and Skype for Business Server, offering extended security updates for a fee to help bridge the gap to newer products. This move acknowledges that some businesses need more time to migrate, providing a temporary safety net for those lagging behind.

Microsoft Probes Installation Failures in Latest Windows Server 2025 Update
Microsoft is investigating a frustrating issue with its latest security update, KB5082063, which may refuse to install on some Windows Server 2025 systems, despite being designed to protect them. The company is working to resolve the installation failures and ensure a smooth update experience.

Microsoft Awards $2.3M for Cloud and AI Flaws Uncovered in Zero Day Quest Hacking Contest
Microsoft just took a bold step towards securing our digital future by awarding $2.3 million to researchers who uncovered critical cloud and AI flaws in its Zero Day Quest hacking contest, showcasing the power of incentive-driven vulnerability discovery. Nearly 700 submissions poured in, highlighting the vast scope of potential weaknesses in our rapidly evolving tech landscape.

SAP Vulnerability Exposes High-Risk Data Breach Potential
A single flaw in widely-used business software can be devastating - and April's Patch Tuesday just revealed a critical SAP vulnerability with an alarmingly high severity score, exposing high-risk data breach potential. This pressing issue demands attention from vendors and security experts alike.

Microsoft Resolves Bug Driving Unplanned Windows Server Upgrades
Microsoft has squashed a bug that was causing Windows Server 2019 and 2022 machines to unexpectedly upgrade to Windows Server 2025 without admin consent, and has restored control to IT teams. The fix brings relief to organizations that value control over their server upgrades.

Microsoft Patch Tuesday Update Rectifies Zero-Day Flaws
This April's Patch Tuesday update from Microsoft is a critical one, bundling fixes for not one, but two zero-day flaws alongside over 160 other vulnerabilities, giving organizations and users a pressing decision: apply quickly or risk potential disruptions. By applying these patches, you can significantly reduce your exposure to cyber threats.

Microsoft Patch Tuesday Disrupts 169 Vulnerabilities, Including Exploited SharePoint Flaw
Microsoft's latest Patch Tuesday update is a doozy, addressing a record 169 security flaws across its product lineup - including a critical SharePoint zero-day that's already being exploited in the wild. With nearly 9 out of 10 fixes rated as Important or Critical, organizations are under pressure to patch quickly and avoid leaving themselves vulnerable.

Microsoft Discloses Actively Exploited Zero-Day Flaw in SharePoint
Microsoft just revealed a critical vulnerability in SharePoint that's being actively exploited by attackers, allowing them to access and modify sensitive information. Patch now to protect your organization from potential breaches.

Microsoft Rushes Fixes for 167 Vulnerabilities Amid Zero-Day Exploits
Microsoft just rolled out urgent Patch Tuesday fixes for a whopping 167 vulnerabilities in Windows and related software, including zero-day exploits in SharePoint Server and Windows Defender. But with threats evolving at breakneck speed, can patches keep up to protect our increasingly software-reliant lives?

Microsoft Bolsters Windows Defenses Against Malicious Remote Desktop Files
Microsoft is stepping up its game to protect Windows users from phishing attacks that hide in plain sight as Remote Desktop files. The tech giant is introducing on-screen warnings and stricter default settings to help shield you from malicious .rdp files.

Microsoft Patch Tuesday Addresses 165 Vulnerabilities, Including Exploited SharePoint Flaw
Microsoft's April Patch Tuesday update is a doozy, addressing a whopping 165 vulnerabilities, including a SharePoint Server spoofing flaw that's already been exploited in the wild. This mega update also fixes a bug that was publicly disclosed by a frustrated researcher.

Microsoft Patch Tuesday Addresses 167 Vulnerabilities, Fixes 2 Zero-Day Flaws
Microsoft's April Patch Tuesday update is a doozy, tackling a whopping 167 vulnerabilities, including two zero-day flaws that demand immediate attention. The question is, can you afford to wait - or do you need to act fast to safeguard your organization?

Microsoft Bolsters Windows 11 Defenses with Latest Cumulative Updates
Microsoft just dropped two new cumulative updates, KB5083769 and KB5082052, for Windows 11, packing security fixes, bug solutions, and fresh features to keep your system safe and running smoothly. These updates cover various builds, including 25H2, 24H2, and 23H2, giving you more reasons to hit install and breathe easy.

Microsoft Fixes Zero-Days with Windows 10 Extended Security Update
Microsoft just dropped a critical Windows 10 update, KB5082200, that bundles essential fixes, including two zero-day vulnerabilities, ahead of the April 2026 Patch Tuesday cycle. This extended security update is a must-have for Windows 10 users, addressing urgent security gaps that need immediate attention.

Microsoft Expedites Reinstation for Suspended Windows Hardware Dev Accounts
Microsoft has introduced a fast-track process to help hardware developers regain access to their suspended Windows Hardware Program accounts, following an outpouring of complaints from developers who were unexpectedly locked out. This swift response aims to get developers back on track, quickly and easily.

CISA Catalog Exposes Actively Exploited Flaws in Fortinet, Microsoft, Adobe Software
The US Cybersecurity and Infrastructure Security Agency (CISA) has just added six new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, warning that flaws in Fortinet, Microsoft, and Adobe software are being actively exploited by hackers. Is your system exposed - and what can you do to protect it?