Wire · regulatory
Previously patched Citrix NetScaler flaw exploited in the wild (CVE-2026-8452)
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Fusion42 · 27 August 2026 · Fusion42 review
CISA added a previously patched Citrix NetScaler ADC and Gateway vulnerability (CVE-2026-8452) to its Known Exploited Vulnerabilities catalog, urging federal agencies to remediate it by August 29 due to active exploitation of a remote code execution flaw.
This Wire brief sits within Fusion42's coverage of Cybersecurity and Security Infrastructure, and 2 sources have reported it.
◆ ◆ The Wire takeaway
Security teams must prioritise immediate patching of Citrix NetScaler to block active remote code exploits. Attackers are already deploying web shells, making unpatched systems a direct entry point for compromise.
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2 sources · 27 Aug 2026
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