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11–20 of 43 articles
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Dark Reading
Microsoft's May 2022 Patch Tuesday contains several bugs in ubiquitous software that could affect millions of machines, researchers warn.
The Register
The Hacker News
Microsoft is urging customers to patch two security vulnerabilities in Active Directory domain controllers that it addressed in November following the availability of a proof-of-concept (PoC) tool on December 12. The two vulnerabilities — tracked as CVE-2021-42278 and CVE-2021-42287 — have a severity rating of 7.5 out of a maximum of 10 and concern a privilege escalation flaw affecting the
The Hacker News
Attackers posing as IT support on Microsoft Teams talked employees into giving them remote control of their PCs. They then used insecure Active Directory Certificate Services (AD CS) settings to obtain login certificates for privileged accounts, including one for a domain controller. Microsoft said in a report that it investigated two such intrusions, one of which resulted in company
Bleeping Computer
CVE-2026-54121 lets a standard domain user turn your Enterprise CA into a Domain Controller. The patch is the easy part. The lesson is standing privilege, implicit trust, and treating PKI as the Tier 0 identity infrastructure it has always been. [...]
The Hacker News
Cybersecurity researchers have flagged an intrusion in which an unknown threat actor leveraged a vibe-coded PowerShell script for Active Directory (AD) enumeration. "The script looked for the Domain Controller (DC) and mapped users, computers, and domains, before creating a directory and exporting out a number of files, and finally creating AD_Report.html to measure the success of the
Bleeping Computer
Microsoft warns that some Windows domain controllers are entering restart loops after installing the April 2026 security updates. [...]
The Hacker News
The malware known as GootLoader has resurfaced yet again after a brief spike in activity earlier this March, according to new findings from Huntress. The cybersecurity company said it observed three GootLoader infections since October 27, 2025, out of which two resulted in hands-on keyboard intrusions with domain controller compromise taking place within 17 hours of initial infection. "
The Register
Move fast - miscreants compromised a domain controller in 17 hours Gootloader JavaScript malware, commonly used to deliver ransomware, is back in action after a period of reduced activity.…