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09:41 UTC· 5m ago

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ZeroHour aggregates public sources — security and AI press, vendor advisories, NVD, CISA KEV, FIRST EPSS, leak-site trackers and Have I Been Pwned — and classifies them with AI. Summaries can be wrong: read the original. All times are UTC.

today 56 visits · 73 views · 11 reads·all time 17K views

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09:41 UTC· 5m ago

#cve-2026-54121 — news, CVEs and analysis · ZeroHour

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#cve-2026-54121

0 stories this week · 0 this month · 4 in 6 months · mostly security

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today 56 visits · 73 views · 11 reads·all time 17K views

Help Net Security·Aug 2, 2026 critical

Week in review: Claude breached three companies during tests, AD CS domain-takeover PoC released

#breach #cve-2026-20316 #cve-2026-42897

15 min

The Hacker News·Jul 28, 2026 critical

⚡ Weekly Recap: Rogue AI Agents, Check Point Exploit, Slopsquatting, ClickFix Lures and More

#cve-2025-66376 #cve-2026-16232 #cve-2026-16723

in the wild 13 min

The Hacker News·Jul 28, 2026 high

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

#cve-2026-54121 #exploit

in the wild 5 min1

Help Net Security·Jul 27, 2026 critical

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

#cve-2026-54121 #exploit

3 min1