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3 0Day in SonicWall Enterprise Email Security products actively exploited
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Microsoft Releases Record
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Previously patched Citrix NetScaler flaw exploited in the wild (CVE-2026-8452)
Actively exploited Citrix NetScaler flaw CVE-2026-8452, patched in June, now added to CISA KEV; attackers deploy web shells and run discovery commands.
CISA added CVE-2026-8452, a memory overflow vulnerability in Citrix NetScaler ADC/Gateway, to its Known Exploited Vulnerabilities catalog on August 26, 2026, giving federal agencies until August 29 to remediate. Citrix disclosed and patched the flaw on June 30, 2026 in versions 14.1-72.61, 13.1-63.18, and 13.1-37.272. watchTowr Labs found the flaw can be chained into unauthenticated remote code execution and released a PoC on August 14. Previdian and Defused reported exploitation with web shells named x.php and z.php from at least three unique source IPs.
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Microsoft fixes actively exploited Windows Hyper-V zero-day flaws
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Alert: PoC Exploits Released for Citrix and VMware Vulnerabilities
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Over 60 Software Vendors Issue Security Fixes Across OS, Cloud, and Network Platforms
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