Cybersecurity News and Updates

Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controller

Researchers H0j3n and Aniq Fakhrul published a working exploit on July 24 that lets a low-privileged Active Directory user obtain a certificate for a Domain Controller and authenticate as that machine.

They codenamed the flaw Certighost. Because Domain Controller accounts carry directory replication rights, the resulting Kerberos credential can retrieve the krbtgt secret through DCSync.

  • July 25, 2026

BlueNoroff Zoom Phishing Kit Profiles Crypto Wallets Before Malware Delivery

The North Korean threat actors behind the ClickFix-style campaigns that employ typosquatted Zoom and Microsoft Teams domains have been found to operate an active phishing kit to impersonate the videoconferencing platforms in social engineering campaigns designed to deliver malware.

“BlueNoroff has operationalised trust abuse by combining compromised industry contacts, social engineering, wallet

  • July 25, 2026

Bing Images Flaws Let Crafted SVGs Run Commands as SYSTEM on Microsoft’s Servers

A crafted SVG submitted to Bing’s image search ran commands as NT AUTHORITYSYSTEM on Microsoft’s production image-processing workers, and as root on the Linux machines in the same fleet.

XBOW’s testing got the same result on workers across different hosts and network ranges, so the problem sat in Bing’s image tier, not on one bad machine. Microsoft issued two critical CVEs, CVE-2026-32194 and

  • July 25, 2026