Initial attempts were observed on October 17, and mass activity began shortly after patches were released.

The post PHP2Shell Exploitation Started Days Before Patches appeared first on SecurityWeek.

CVE-2026-61500 allows attackers to recover the session-cookie signing key and gain administrative access and RCE.

The post Exploitation Hits Rejetto HFS Vulnerability Discovered by AI  appeared first on SecurityWeek.

Citrix has confirmed that a new zero-day vulnerability, CVE-2026-88779, emerged just days after two other exploited flaws were patched.

The post Exploitation of Citrix NetScaler Zero-Day Hits Appliances Patched Days Earlier appeared first on SecurityWeek.

The China-based hacking group has been exploiting SharePoint vulnerabilities since July 2025.

The post Warlock Expands SharePoint Exploitation in Critical Infrastructure Attacks appeared first on SecurityWeek.

CVE-2026-104286 is a critical-severity path traversal vulnerability that could allow attackers to write arbitrary files to the system.

The post Exploited Fortinet FortiMail Zero-Day Calls for Urgent Action appeared first on SecurityWeek.

Apple released iOS and macOS updates to patch a zero-day vulnerability (CVE-2026-86950) reported by Meta’s product security team.

The post Apple Patches Zero-Day Linked to ‘Extremely Sophisticated Attack’  appeared first on SecurityWeek.

Citrix has released patches for the critical NetScaler vulnerabilities tracked as CVE-2026-88771 and CVE-2026-88772.

The post Citrix Confirms 2 NetScaler Zero-Days After Admins Pulled the Plug appeared first on SecurityWeek.

CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28.

The post Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks appeared first on SecurityWeek.

The flaw allows attackers to execute arbitrary code remotely and has been exploited in the wild for two months.

The post Everest Forms Vulnerability Exploited to Hack WordPress Sites appeared first on SecurityWeek.

Unauthenticated attackers can exploit the flaw via specially crafted POST requests that crash the Serv-U service.

The post SolarWinds Serv-U Vulnerability Exploited in the Wild appeared first on SecurityWeek.

The bugs could be exploited to elevate privileges to System or create a denial-of-service (DoS) condition.

The post Microsoft Patches Exploited UnDefend and RedSun Defender Zero-Days appeared first on SecurityWeek.

The flaw leads to denial-of-service on default configurations and to remote code execution if ASLR is disabled.

The post Exploitation of Critical NGINX Vulnerability Begins appeared first on SecurityWeek.

The flaw allows attackers to access the SAM database, extract NTLM hashes, and gain System privileges.

The post Recent Microsoft Defender Vulnerability Exploited as Zero-Day appeared first on SecurityWeek.

Security researchers have seen the vulnerabilities being exploited to deliver shells, conduct reconnaissance, and download malware.

The post Ivanti Exploitation Surges as Zero-Day Attacks Traced Back to July 2025 appeared first on SecurityWeek.

The vulnerability added to CISA’s KEV catalog affects ThreatSonar Anti-Ransomware and it was patched in 2024.

The post CISA: Hackers Exploiting Vulnerability in Product of Taiwan Security Firm TeamT5 appeared first on SecurityWeek.

GTIG and Mandiant said the zero-day tracked as CVE-2026-22769 has been exploited by UNC6201 since at least 2024.

The post Dell RecoverPoint Zero-Day Exploited by Chinese Cyberespionage Group appeared first on SecurityWeek.

A Chrome 145 update fixes CVE-2026-2441, a vulnerability that can likely be exploited for arbitrary code execution.

The post Google Patches First Actively Exploited Chrome Zero-Day of 2026 appeared first on SecurityWeek.

Impacting the ‘dyld’ system component, the memory corruption issue can be exploited for arbitrary code execution.

The post Apple Patches iOS Zero-Day Exploited in ‘Extremely Sophisticated Attack’ appeared first on SecurityWeek.

SmarterTools says customers were impacted after hackers compromised a data center used for quality control testing.

The post SmarterTools Hit by Ransomware via Vulnerability in Its Own Product appeared first on SecurityWeek.

The security defect allows unauthenticated attackers to execute arbitrary code remotely via malicious HTTP requests.

The post Critical SmarterMail Vulnerability Exploited in Ransomware Attacks appeared first on SecurityWeek.