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Critical Fortinet FortiClient EMS Vulnerability CVE-2026-21643 Actively Exploited — CISA Demands Patch Today
Vulnerability

Critical Fortinet FortiClient EMS Vulnerability CVE-2026-21643 Actively Exploited — CISA Demands Patch Today

16 April 2026 dark6

CISA has added CVE-2026-21643, a critical pre-authentication SQL injection flaw in Fortinet FortiClient EMS (CVSS 9.1), to its Known Exploited...
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Adobe Acrobat Zero-Day CVE-2026-34621: Four Months of Targeted Espionage via Prototype Pollution Exploit
Vulnerability

Adobe Acrobat Zero-Day CVE-2026-34621: Four Months of Targeted Espionage via Prototype Pollution Exploit

15 April 2026 dark6

Adobe patched a critical zero-day in Acrobat Reader (CVE-2026-34621) that was exploited for at least four months via a sophisticated...
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Microsoft April 2026 Patch Tuesday: 163 CVEs Including Two Zero-Days and a Public “BlueHammer” Exploit
Vulnerability

Microsoft April 2026 Patch Tuesday: 163 CVEs Including Two Zero-Days and a Public “BlueHammer” Exploit

15 April 2026 dark6

Microsoft's April 2026 Patch Tuesday addresses 163 CVEs, including an actively exploited SharePoint spoofing zero-day (CVE-2026-32201) and a publicly leaked...
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Google Patches Actively Exploited Chrome Zero-Day CVE-2026-5281 — CISA Deadline Hits Today
Vulnerability

Google Patches Actively Exploited Chrome Zero-Day CVE-2026-5281 — CISA Deadline Hits Today

15 April 2026 dark6

Google has patched a high-severity use-after-free zero-day in Chrome's WebGPU implementation (CVE-2026-5281) that is actively exploited in the wild. CISA...
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Critical Marimo Python Notebook Zero-Day (CVE-2026-39987) Exploited Within 10 Hours of Disclosure
Vulnerability

Critical Marimo Python Notebook Zero-Day (CVE-2026-39987) Exploited Within 10 Hours of Disclosure

14 April 2026 dark6

A critical pre-authentication RCE vulnerability (CVE-2026-39987, CVSS 9.3) in the popular Marimo Python notebook platform was weaponised within 10 hours...
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Fortinet Issues Emergency Patch for Actively Exploited FortiClient EMS Zero-Day CVE-2026-35616
Vulnerability

Fortinet Issues Emergency Patch for Actively Exploited FortiClient EMS Zero-Day CVE-2026-35616

13 April 2026 dark6

A critical zero-day vulnerability (CVE-2026-35616, CVSS 9.1) in Fortinet FortiClient EMS was exploited in the wild before Fortinet published its...
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PoC Exploit Leaked for Unpatched Windows Privilege Escalation Zero-Day ‘BlueHammer’
Vulnerability

PoC Exploit Leaked for Unpatched Windows Privilege Escalation Zero-Day ‘BlueHammer’

13 April 2026 dark6

A disgruntled researcher has published a working exploit for BlueHammer, an unpatched Windows local privilege escalation zero-day that abuses Windows...
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Adobe Patches Actively Exploited Acrobat Reader Zero-Day CVE-2026-34621 — Exploited Since December 2025
Vulnerability

Adobe Patches Actively Exploited Acrobat Reader Zero-Day CVE-2026-34621 — Exploited Since December 2025

13 April 2026 dark6

Adobe has issued an emergency patch for CVE-2026-34621 (CVSS 8.6), a prototype pollution zero-day in Acrobat Reader actively exploited since...
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Google Patches Actively Exploited Chrome Zero-Day CVE-2026-5281 — Update Now
Vulnerability

Google Patches Actively Exploited Chrome Zero-Day CVE-2026-5281 — Update Now

12 April 2026 dark6

Google has confirmed that CVE-2026-5281, a high-severity use-after-free vulnerability in Chrome's Dawn WebGPU implementation, is being actively exploited in the...
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CVE-2026-39987: Critical Marimo Python Notebook RCE Exploited Within 10 Hours of Disclosure
Vulnerability

CVE-2026-39987: Critical Marimo Python Notebook RCE Exploited Within 10 Hours of Disclosure

11 April 2026 dark6

A pre-authentication remote code execution flaw (CVSS 9.3) in the Marimo Python notebook framework was weaponized by attackers within just...
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Windows Zero-Day “BlueHammer” Exploit Code Released — SYSTEM Privileges at Risk
Vulnerability

Windows Zero-Day “BlueHammer” Exploit Code Released — SYSTEM Privileges at Risk

10 April 2026 dark6

Exploit code has been publicly released for BlueHammer, a Windows zero-day privilege escalation vulnerability that allows attackers to gain full...
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Critical Fortinet FortiClient EMS Zero-Day CVE-2026-35616 Actively Exploited — Patch Now
Vulnerability

Critical Fortinet FortiClient EMS Zero-Day CVE-2026-35616 Actively Exploited — Patch Now

10 April 2026 dark6

A critical zero-day in Fortinet FortiClient EMS (CVE-2026-35616, CVSS 9.8) is being actively exploited in the wild. CISA has added...
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