zero-Day

Pierluigi Paganini August 28, 2026
PaperCut Zero-Day Under Active Attack: Emergency Patch Released

PaperCut warns that a zero-day in NG and MF is being exploited. The company already release emergency patches to address it. PaperCut Software warns that attackers are actively exploiting a zero-day in its NG and MF print management products. The flaw has no CVE yet, and the company has not released technical details. PaperCut issued […]

Pierluigi Paganini August 15, 2026
GeoServer Zero-Day Is Already Being Probed. That’s the Problem

GeoServer faces an unpatched zero-day enabling SQL injection and potentially RCE, with attackers already probing exposed systems. A newly disclosed GeoServer zero-day is already attracting active exploitation attempts, and there is no patch available yet. Organisations running the open-source geospatial platform should check their exposure. A security researcher with the handler q1uf3ng discloded the vulnerability […]

Pierluigi Paganini August 12, 2026
ShieldBreak: New Windows Zero-Day Bypasses Microsoft’s RoguePlanet Patch

Chaotic Eclipse released a PoC for ShieldBreak, a Microsoft Defender zero-day that bypasses the CVE-2026-50656 patch and could enable SYSTEM-level code execution. Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a PoC for ShieldBreak, a Microsoft Defender zero-day. The flaw bypasses the patch for CVE-2026-50656 (RoguePlanet), a race condition that […]

Pierluigi Paganini August 12, 2026
Microsoft Patch Tuesday for August 2026 Fixed a Zero-Day and Wormable RCE

Microsoft Patch Tuesday for August 2026 fixes 398 CVEs, including an actively exploited zero-day and a wormable DNS flaw enabling remote code execution. Microsoft released its Patch Tuesday security updates for August 2026 on Tuesday, covering 398 new CVEs across Windows, Office, Azure, Exchange Server, SharePoint, Teams, GitHub Copilot, .NET, and a range of other […]

Pierluigi Paganini August 08, 2026
Metabase Zero-Day Exploited in the Wild, Exposing Admin Access and Sensitive Data

Attackers exploited a CVSS 10 Metabase zero-day to gain admin access and steal sensitive data. Framework confirmed it was among the victims. Metabase just confirmed something no analytics vendor wants to write: attackers found and used an unpatched, maximum-severity flaw against Metabase Cloud before anyone on the defense side knew it existed. The company’s own […]

Pierluigi Paganini July 29, 2026
OpenAI AI Model Used JFrog Artifactory Zero-Day Before Hugging Face Breach

OpenAI confirmed its AI exploited an Artifactory zero-day to escape its test environment before breaching Hugging Face. Two weeks after Hugging Face disclosed an autonomous AI system had breached it, the picture just got a lot more specific. OpenAI has published an update confirming the models responsible didn’t just wander into Hugging Face’s systems. They […]

Pierluigi Paganini July 14, 2026
Patch Tuesday security updates for July 2026, the largest update ever. 621 CVEs in one month

Patch Tuesday: Microsoft fixes a record 621 CVEs, including 2 exploited zero-days and critical flaws affecting SharePoint, RDP, Hyper-V, and AD FS. Microsoft’s July 2026 Patch Tuesday is, by a significant margin, the largest single-month security release in the company’s history. The Zero Day Initiative counted 621 new Microsoft CVEs for the month, and the […]

Pierluigi Paganini June 25, 2026
Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited Months Before Disclosure

Hackers exploited Cisco Catalyst SD-WAN flaw CVE-2026-20245 as a zero-day months before disclosure, enabling privileged command execution. Google-owned Mandiant reported that an unknown threat actor exploited Cisco Catalyst SD-WAN vulnerability CVE-2026-20245 (CVSS base score of 7.8) as a zero-day at least two months before it was publicly disclosed. The flaw allows an authenticated attacker with […]

Pierluigi Paganini June 10, 2026
Chaotic Eclipse Unveils RoguePlanet Exploit Targeting Fully Patched Windows

The researcher Chaotic Eclipse released a PoC for the RoguePlanet Microsoft Defender zero-day, which can grant SYSTEM privileges on fully patched Windows systems. Security researcher Chaotic Eclipse, also known as Nightmare-Eclipse, has published a new proof-of-concept exploit for a RoguePlanet Microsoft Defender zero-day. The flaw relies on a race condition that can provide attackers with […]

Pierluigi Paganini June 09, 2026
Google fixes the fifth actively exploited Chrome zero-day of 2026

Google fixed a new Chrome zero-day, tracked as CVE-2026-11645, in the V8 JavaScript engine, which is already being exploited in the wild. Google released emergency updates to address a new Chrome zero-day vulnerability, tracked as CVE-2026-11645, that has been exploited in the wild. This flaw is the fifth Chrome zero-day that is being exploited in […]