Latest cybersecurity reporting from selected sources.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by July 19, 2026

SonicWall has warned of active exploitation of two zero-day vulnerabilities impacting Secure Mobile Access (SMA) 1000 series appliances, one of which could be exploited to achieve arbitrary command execution

SonicWall warns that threat actors have been exploiting two SMA1000 vulnerabilities, tracked as CVE-2026-15409 and CVE-2026-15410, in zero-day attacks and urges customers to install the newly released security updates. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two maximum-severity security flaws impacting iCagenda and Balbooa extensions for Joomla to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day exploitation in the wild

NightmareEclipse Says Mitigation Can Exhaust Disk Space, Crash AppsMicrosoft's patch for CVE-2026-50656, known as RoguePlanet, has sparked fresh criticism after researcher NightmareEclipse alleged the mitigation can exhaust disk space, crash applications and leak memory, extending a months-long dispute over Microsoft's handling of multiple zero-day disclosures.

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant

CVE-2026-20230 under exploitation, while an earlier SD-WAN 0-day looks even worse than we thought

Microsoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day affecting Microsoft Defender, tracked as CVE-2026-50656 (CVSS score of 7.8). The vulnerability allows privilege escalation through the Microsoft Malware Protection Engine. The company stated it is aware of the issue and is […]

Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet

Cisco has released security updates to address a vulnerability in the Catalyst SD-WAN Manager, tracked as CVE-2026-20262, that was exploited in attacks to escalate to root privileges. [...]

The ShinyHunters extortion crew exploited an unpatched flaw in Oracle PeopleSoft to break into enterprise systems, steal data, and demand payment to keep it private. The campaign hit universities hardest

Oracle is warning about a critical PeopleSoft Suite zero-day vulnerability tracked as CVE-2026-35273 that allows unauthenticated remote code execution, with the flaw actively exploited in ShinyHunter data theft attacks. [...]

Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild

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 […]

On Thursday, Cisco warned of a high-severity, unpatched zero-day in the Cisco Catalyst SD-WAN Manager (tracked as CVE-2026-20245) actively exploited in attacks enabling root privilege escalation. [...]

Threat actors are exploiting a critical FortiClient EMS flaw, tracked as CVE-2026-35616, to deploy malware on unpatched systems. Threat actors are exploiting a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616 (CVSS score of 9.1), that allows remote code execution without authentication. Fortinet released fixes in April after confirming zero-day attacks in the wild and urged […]

A now-patched high-severity security flaw affecting Digital Knowledge KnowledgeDeliver, a Learning Management System (LMS) popular in Japan, was exploited as a zero-day to deliver the Godzilla web shell and ultimately facilitate the deployment of Cobalt Strike Beacon

Microsoft on Tuesday released a mitigation for a BitLocker bypass vulnerability named YellowKey following its public disclosure last week

CVE-2026-42897 stems from a cross-site scripting (XSS) vulnerability and can allow an attacker to compromise Outlook Web Access (OWA) mailboxes.

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]