Citrix NetScaler
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-107409Critical9.3
Black Shard's team can check your exposure to CVE-2026-107409 and take the fix off your plate.
Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service in Citrix NetScaler
Black Shard's team can check your exposure, take a fix off your plate or step in on a live incident.
Severity
9.3of 10, critical
Updated 13 Nov 2026, 11:23 UTC, 30 of 36 sources answering.
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