Windows Server

Why Active Directory weaknesses stay open for years in teams with one or two admins

Active Directory, auditing, CXO, Don't miss, EU, Europe, Features, Government, Hot stuff, News, opinion, security auditing, strategy, tips, Windows Server /

Why Active Directory weaknesses stay open for years in teams with one or two admins 2026-10-16 at 09:00 By Mirko Zorz David Fuhr, CTO at intcube, talks about a security cohort for public administration, where 27 municipalities hardened Windows Server and Active Directory together over 12 weeks. This Help Net Security interview covers how a […]

Why Active Directory weaknesses stay open for years in teams with one or two admins Read More »

Microsoft fixes exploited Mark of the Web bypass vulnerability (CVE-2026-96951)

0-day, CVE, Don't miss, Hot stuff, News, security update, SharePoint, Tenable, Trend Micro, Windows, Windows Server /

Microsoft fixes exploited Mark of the Web bypass vulnerability (CVE-2026-96951) 2026-10-14 at 10:53 By Zeljka Zorz In another record-breaking Patch Tuesday, Microsoft has squashed over 1,400 security bugs, including a Mark of the Web bypass vulnerability (CVE-2026-96951) exploited by attackers in the wild. CVE-2026-96951 is a command injection vulnerability in Windows Shell that can be […]

Microsoft fixes exploited Mark of the Web bypass vulnerability (CVE-2026-96951) Read More »

September 2026 Patch Tuesday: Record patch count, 2 zero-days, and a SigRed successor

0-day, CISO, CrowdStrike, CSO, Don't miss, Fortra, Hot stuff, Microsoft, Microsoft Exchange, News, Patch Tuesday, patching, Proofpoint, SharePoint, Tenable, Trend Micro, Windows, Windows Defender, Windows Server /

September 2026 Patch Tuesday: Record patch count, 2 zero-days, and a SigRed successor 2026-09-09 at 12:04 By Zeljka Zorz September 2026 Patch Tuesday is here, with Microsoft delivering another record-breaking number of patches, including those for two vulnerabilities that have been exploited as zero-days. Another “new normal” is the anonymous security researcher Nightmare Eclipse publishing […]

September 2026 Patch Tuesday: Record patch count, 2 zero-days, and a SigRed successor Read More »

PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121)

Active Directory, Don't miss, enterprise, exploit, Hot stuff, Microsoft, News, PoC, vulnerability, Windows, Windows Server /

PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121) 2026-07-27 at 15:04 By Zeljka Zorz Security researchers who discovered and reported CVE-2026-54121 (aka “Certighost”), a critical privilege elevation vulnerability in Active Directory Certificate Services (AD CS), have released a proof-of-concept (PoC) exploit for and technical details related to the flaw. The vulnerability AD CS […]

PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121) Read More »

Microsoft tightens Windows enterprise activation security

identity verification, Microsoft, News, servers, Windows, Windows Server /

Microsoft tightens Windows enterprise activation security 2026-07-24 at 12:52 By Anamarija Pogorelec Microsoft is making Trusted Platform Module (TPM)-backed attestation a requirement for Windows Key Management Service (KMS), the on-premises service used for Windows volume activation, replacing the software-only trust model with hardware-backed verification to strengthen enterprise activation security. Attestation will become mandatory with the […]

Microsoft tightens Windows enterprise activation security Read More »

Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089)

0patch, ACROS Security, Automox, Don't miss, Hot stuff, News, PoC, vulnerability, Windows Server /

Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) 2026-06-01 at 17:17 By Zeljka Zorz CVE-2026-41089, a critical Windows Netlogon RCE flaw that allows remote code execution, is now actively exploited in the wild, the Centre for Cybersecurity Belgium (CCB) warned on Friday. About CVE-2026-41089 CVE-2026-41089 is a stack-based buffer overflow vulnerability in Windows Netlogon, […]

Windows Netlogon RCE exploited, domain controllers at risk (CVE-2026-41089) Read More »

Microsoft provides mitigation for “YellowKey” BitLocker bypass flaw (CVE-2026-45585)

CVE, Don't miss, exploit, Hot stuff, Microsoft, News, PoC, vulnerability disclosure, Windows, Windows Server /

Microsoft provides mitigation for “YellowKey” BitLocker bypass flaw (CVE-2026-45585) 2026-05-20 at 11:49 By Zeljka Zorz Microsoft is working on a fix for CVE-2026-45585 (aka “Yellowkey”), a vulnerability that can be used by attackers to bypass protections offered by BitLocker, the full-disk encryption feature built into Windows, and access users’ data. In the meantime, the company […]

Microsoft provides mitigation for “YellowKey” BitLocker bypass flaw (CVE-2026-45585) Read More »

Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days

Automox, Don't miss, Hot stuff, Microsoft, MS Office, News, Tenable, Trend Micro, Windows, Windows Server /

Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days 2026-05-13 at 00:31 By Zeljka Zorz Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE-numbered vulnerabilities, none of which (for a change) are actively exploited or have been publicly disclosed. Still, some deserve more consideration and should be addressed sooner than […]

Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days Read More »

BlueHammer: Windows zero-day exploit leaked

0-day, CYDERES, Don't miss, exploit, Hot stuff, News, PoC, Windows, Windows Defender, Windows Server /

BlueHammer: Windows zero-day exploit leaked 2026-04-08 at 23:29 By Zeljka Zorz A buggy but functional proof-of-concept (PoC) exploit for an unpatched Windows local privilege escalation vulnerability dubbed BlueHammer has been published on GitHub by someone who goes by the handle Chaotic Eclipse and Nightmare Eclipse. Several security researchers have fixed the bugs in the exploit […]

BlueHammer: Windows zero-day exploit leaked Read More »

Attackers use Windows App-V scripts to slip infostealer past enterprise defenses

Blackpoint Cyber, Don't miss, enterprise, Hot stuff, Malware, News, PowerShell, Windows, Windows Server /

Attackers use Windows App-V scripts to slip infostealer past enterprise defenses 2026-01-27 at 17:17 By Zeljka Zorz A malware delivery campaign detailed by Blackpoint researchers employs an impressive array of tricks to deliver an infostealer to employees without triggering enterprise defenses or close examination by security researchers. The attackers aim to get the Amatera Stealer […]

Attackers use Windows App-V scripts to slip infostealer past enterprise defenses Read More »

Attackers exploiting WSUS vulnerability drop Skuld infostealer (CVE-2025-59287)

Darktrace, data theft, Don't miss, Eye Security, Hot stuff, Huntress, Malware, News, Palo Alto Networks, Sophos, Windows Server /

Attackers exploiting WSUS vulnerability drop Skuld infostealer (CVE-2025-59287) 2025-10-30 at 15:46 By Zeljka Zorz Attackers have been spotted exploiting the recently patched WSUS vulnerability (CVE-2025-59287) to deploy infostealer malware on unpatched Windows servers. An out-of-band update Last week’s release of an emergency fix for CVE-2025-59287, a Windows Server Update Services (WSUS) remote code execution vulnerability, […]

Attackers exploiting WSUS vulnerability drop Skuld infostealer (CVE-2025-59287) Read More »

Critical Windows Server WSUS Vulnerability Exploited in the Wild 

CVE-2025-59287, exploited, Featured, Microsoft, Vulnerabilities, Windows, Windows Server, Wsus /

Critical Windows Server WSUS Vulnerability Exploited in the Wild  2025-10-24 at 17:56 By Eduard Kovacs CVE-2025-59287 allows a remote, unauthenticated attacker to execute arbitrary code and a PoC exploit is available. The post Critical Windows Server WSUS Vulnerability Exploited in the Wild  appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original […]

Critical Windows Server WSUS Vulnerability Exploited in the Wild  Read More »

Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287)

BSI, Don't miss, enterprise, Hawktrace, Hot stuff, Microsoft, NCSC-NL, News, security update, SMBs, vulnerability, Windows Server /

Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287) 2025-10-24 at 15:38 By Zeljka Zorz Microsoft has released an out-of-band security update that “comprehensively” addresses CVE-2025-59287, a remote code execution vulnerability in the Windows Server Update Services (WSUS) that is reportedly being exploited in the wild. About CVE-2025-59287 WSUS is a tool that helps […]

Microsoft releases urgent fix for actively exploited WSUS vulnerability (CVE-2025-59287) Read More »

CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073)

CISA, Don't miss, GuidePoint Security, Hot stuff, News, PoC, Synacktiv, WatchTowr, Windows, Windows Server /

CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073) 2025-10-21 at 19:13 By Zeljka Zorz CVE-2025-33073, a Windows SMB Client vulnerability that Microsoft fixed in June 2025, is being exploited by attackers. The confirmation comes from the Cybersecurity and Infrastructure Security Agency (CISA), which has added the flaw to its Known Exploited Vulnerabilities catalog, […]

CISA warns of Windows SMB flaw under active exploitation (CVE-2025-33073) Read More »

Government, Industrial Servers Targeted in China-Linked ‘PassiveNeuron’ Campaign

China APT, Industrial, Malware & Threats, PassiveNeuron, Windows Server /

Government, Industrial Servers Targeted in China-Linked ‘PassiveNeuron’ Campaign 2025-10-21 at 17:34 By Ionut Arghire A threat actor has been infecting servers of high-profile entities with backdoors to exfiltrate information and deploy additional payloads. The post Government, Industrial Servers Targeted in China-Linked ‘PassiveNeuron’ Campaign appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View […]

Government, Industrial Servers Targeted in China-Linked ‘PassiveNeuron’ Campaign Read More »

Win-DDoS: Attackers can turn public domain controllers into DDoS agents

DDoS, Don't miss, DoS, enterprise, Hot stuff, News, SafeBreach, vulnerability, Windows, Windows Server /

Win-DDoS: Attackers can turn public domain controllers into DDoS agents 2025-08-11 at 16:02 By Zeljka Zorz SafeBreach researchers have released details on several vulnerabilities that could be exploited by attackers to crash Windows Active Directory domain controllers (DCs), one one of which (CVE-2025-32724) can also be leveraged to force public DCs to participate in distributed […]

Win-DDoS: Attackers can turn public domain controllers into DDoS agents Read More »

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981)

Don't miss, Hot stuff, Ivanti, Microsoft Edge, MS Office, News, Patch Tuesday, Qualys, SharePoint, Tenable, Trend Micro, Windows, Windows Server /

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981) 2025-07-09 at 14:31 By Zeljka Zorz For July 2025 Patch Tuesday, Microsoft has released patches for 130 vulnerabilities, among them one that’s publicly disclosed (CVE-2025-49719) and a wormable RCE bug on Windows and Windows Server (CVE-2025-47981). CVE-2025-49719 and CVE-2025-49717, in Microsoft SQL Server CVE-2025-49719 is an uninitialized memory […]

Microsoft fixes critical wormable Windows flaw (CVE-2025-47981) Read More »

Microsoft fixes zero-day exploited for cyber espionage (CVE-2025-33053)

Adobe, Akamai, Check Point, Don't miss, Hot stuff, magento, Microsoft, MS Office, News, Patch Tuesday, security update, Tenable, Windows, Windows Server /

Microsoft fixes zero-day exploited for cyber espionage (CVE-2025-33053) 2025-06-11 at 14:16 By Zeljka Zorz For June 2025 Patch Tuesday, Microsoft has fixed 66 new CVEs, including a zero-day exploited in the wild (CVE-2025-33053). Also, Adobe Commerce and Magento Open Source users are urged to update quickly. About CVE-2025-33053 CVE-2025-33053 is a remote code execution vulnerability […]

Microsoft fixes zero-day exploited for cyber espionage (CVE-2025-33053) Read More »

Unpatched Windows Server vulnerability allows full domain compromise

Active Directory, Akamai, Don't miss, enterprise, Hot stuff, News, privileged accounts, vulnerability, Windows Server /

Unpatched Windows Server vulnerability allows full domain compromise 2025-05-22 at 18:45 By Zeljka Zorz A privilege escalation vulnerability in Windows Server 2025 can be used by attackers to compromise any user in Active Directory (AD), including Domain Admins. “The [“BadSuccessor”] attack exploits the delegated Managed Service Account (dMSA) feature that was introduced in Windows Server […]

Unpatched Windows Server vulnerability allows full domain compromise Read More »

Microsoft fixes actively exploited Windows CLFS zero-day (CVE-2025-29824)

0-day, Don't miss, Hot stuff, Immersive, Microsoft, News, Patch Tuesday, Tenable, Trend Micro, Windows, Windows Server /

Microsoft fixes actively exploited Windows CLFS zero-day (CVE-2025-29824) 2025-04-08 at 22:16 By Zeljka Zorz April 2025 Patch Tuesday is here, and Microsoft has delivered fixes for 120+ vulnerabilities, including a zero-day (CVE-2025-29824) that’s under active attack. CVE-2025-29824 CVE-2025-29824 is a user-after-free vulnerability in the Windows Common Log File System (CLFS) that can be – and […]

Microsoft fixes actively exploited Windows CLFS zero-day (CVE-2025-29824) Read More »

Scroll to Top