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#Zero-Day

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HIGH
Threat Intel

Coruna Exploit Kit: iOS 13-17.2.1 Targeted by Multiple APTs

Google Threat Intelligence Group details Coruna, a powerful iOS exploit kit targeting versions 13.0 to 17.2.1, used by commercial vendors and nation-state actors for…

Runtime Rebel Intel
5 min read · Mar 3, 2026
SD-WAN Zero-Day and Smart TV Proxy SDK Vulnerabilities Recap
HIGH
Threat Intel

SD-WAN Zero-Day and Smart TV Proxy SDK Vulnerabilities Recap

Technical analysis of recent SD-WAN zero-day exploits and Smart TV proxy SDK risks, detailing how network infrastructure is increasingly targeted.

Runtime Rebel Intel
3 min read · Mar 2, 2026
APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence
CRITICAL
Threat Intel

APT28 Exploits CVE-2026-21513: MSHTML 0-Day Intelligence

Akamai reports Russia-linked APT28 exploited CVE-2026-21513 in the MSHTML Framework as a zero-day before Microsoft's February 2026 security patch updates.

Runtime Rebel Intel
3 min read · Mar 2, 2026
Cisco SD-WAN Zero-Day Under Exploitation for 3 Years
CRITICAL
Vulnerabilities

Cisco SD-WAN Zero-Day Under Exploitation for 3 Years

A critical zero-day vulnerability, CVE-2026-20127, in Cisco SD-WAN has been actively exploited by a sophisticated threat actor for three years.

Runtime Rebel Intel
4 min read · Feb 27, 2026
Cisco SD-WAN Zero-Day CVE-2026-20127 Exploited for Admin Access
CRITICAL
Vulnerabilities

Cisco SD-WAN Zero-Day CVE-2026-20127 Exploited for Admin Access

CVE-2026-20127 is a critical CVSS 10.0 flaw in Cisco SD-WAN controllers exploited since 2023, allowing unauthenticated remote administrative access.

Runtime Rebel Intel
4 min read · Feb 26, 2026
CRITICAL
Vulnerabilities

Critical Cisco SD-WAN Zero-Day Exploited Since 2023

Cisco Catalyst SD-WAN critical authentication bypass (CVE-2026-20127) actively exploited since 2023, enabling remote compromise and rogue peer addition.

Runtime Rebel Intel
4 min read · Feb 25, 2026

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HIGH
Threat Intel

Ex-L3Harris Executive Sentenced for Selling Zero-Days to Russia

Former Trenchant CEO James Michael Robinson sentenced to 90 months for stealing zero-day exploits and selling them to a Russian state-linked broker.

Runtime Rebel Intel
4 min read · Feb 25, 2026
INFO
Threat Intel

US Treasury Sanctions Russian Broker for Stolen Zero-Day Exploits

The US sanctions Artem Kruglov and associated firms for brokering stolen hacking tools and zero-day exploits for Russian intelligence services.

Runtime Rebel Intel
4 min read · Feb 25, 2026
L3Harris Insider Sentenced for Selling Zero-Days to Russian Broker
HIGH
Threat Intel

L3Harris Insider Sentenced for Selling Zero-Days to Russian Broker

Former defense contractor Peter Williams sentenced to seven years for selling eight zero-day exploits to Russian broker Operation Zero for millions in profit.

Runtime Rebel Intel
4 min read · Feb 25, 2026
January 2026 CVE Landscape: APT28 Zero-Day & Critical Flaws
CRITICAL
Vulnerabilities

January 2026 CVE Landscape: APT28 Zero-Day & Critical Flaws

Runtime Rebel details January 2026's 23 critical CVEs, including an APT28 zero-day in Microsoft Office and critical enterprise authentication bypass vulnerabilities.

Runtime Rebel Intel
5 min read · Feb 25, 2026
HIGH
Threat Intel

UNC6201 Exploits Dell RecoverPoint Zero-Day CVE-2026-22769

Mandiant and GTIG detail UNC6201's exploitation of CVE-2026-22769 in Dell RecoverPoint for VMs, deploying GRIMBOLT backdoor and novel VMware TTPs.

Runtime Rebel Intel
6 min read · Feb 25, 2026
CRITICAL
Vulnerabilities

Microsoft February 2026 Security Update: Analysis of Six Actively Exploited Zero-Days

Microsoft's latest security release addresses 50+ vulnerabilities, including six zero-day exploits targeting Windows kernel components and browser engines.

Runtime Rebel Intel
2 min read · Feb 23, 2026
HIGH
Vulnerabilities

Critical Zero-Day in Linux Kernel Exposes Millions of Servers

A newly discovered zero-day vulnerability in the Linux kernel's netfilter subsystem allows local privilege escalation on systems running kernel versions 5.14 through…

Runtime Rebel Intel
2 min read · Jan 15, 2024