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Zero-days

Previously unknown vulnerabilities exploited or disclosed before a patch existed.

Security news

PaperCut print servers are under active attack through a login-free code-execution flaw

Attackers are exploiting an unauthenticated flaw in PaperCut NG and MF print servers to run code as the host account. Restrict access and patch now.

Security news

GeoServer zero-day: unauthenticated SQL injection can reach remote code execution, and there is no patch yet

A GeoServer zero-day lets unauthenticated attackers run SQL injection that can reach remote code execution. No CVE, no patch, and probing has already started.

Security news

North Korea's Lazarus used fake job offers and a Windows zero-day to hijack defense firms' PCs

North Korea's Lazarus group used fake job offers and a Windows zero-day (CVE-2026-68820) to seize SYSTEM control of defense and aerospace PCs. Patch now.

Security news

Metabase zero-day (CVSS 10.0): unauthenticated SQL injection hands attackers admin and data. Patch now.

Metabase's SQL injection zero-day (CVSS 10.0) gives unauthenticated attackers admin access and stored database credentials. Exploited now: patch and rotate.

Security news

Zimbra webmail zero-day (CVE-2025-66376) let Russian spies steal mail and mint MFA-bypass passwords

Russian group Void Blizzard exploited Zimbra webmail flaw CVE-2025-66376 as a zero-day to steal 90 days of mail and mint app passwords that survive resets.

Security news

Inc ransomware used the SonicWall SMA zero-days to steal MFA seeds. Resetting passwords will not evict it.

Rapid7 ties the SonicWall SMA 1000 zero-days to an Inc ransomware actor that stole credentials, sessions, and TOTP seeds. A password reset won't evict it.

Security news

Fully patched Windows, no fix: a new local privilege zero-day

LegacyHive is a Windows User Profile Service privilege-escalation zero-day that works on fully patched systems, with no CVE and no fix yet.

Security news

Two SonicWall remote-access zero-days are under attack, and patching alone will not clean the box

SonicWall patched two actively exploited SMA 1000 zero-days, CVE-2026-15409 and CVE-2026-15410.

Security news

Two Microsoft zero-days were exploited before the fix shipped

Microsoft's July 2026 Patch Tuesday fixes two zero-days already exploited in the wild: an ADFS and a SharePoint Server privilege bug.

Security news

A logged-in user can hijack the Linux graphics server, and on many systems that means root

X.Org patched two memory-corruption bugs in the X server and XWayland. A local client can reach root where Xorg runs as root. Update to 21.1.24 and 24.1.13.

Security news

We said a password reset wouldn't stop FortiBleed. Now it is deploying ransomware.

FortiBleed harvested 110 million Fortinet credentials. SOCRadar links that access to INC and Lynx ransomware, with 12 encryptions and a Nextcloud zero-day.

Security news

Two flaws in Unraid's control panel let a logged-in user seize the whole server

Two command injection flaws in Unraid's web panel, CVE-2026-9772 and CVE-2026-9773, let any logged-in user run code as www-data.

Security news

INC ransomware never used a zero-day. It used your patch backlog.

INC reached top-tier RaaS in 2026 with no zero-days. Every edge-device flaw it exploits was patched months earlier. Here is what to actually fix.

Security news

PeopleSoft's PSEMHUB zero-day turns the patch service into the breach

CVE-2026-35273 sits in PeopleSoft's Updates Environment Management module. Mandiant ties active exploitation to ShinyHunters, with 100+ orgs already breached.

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