VulnerabilityPublished
Cisco patches Secure Email Gateway zero-day exploited in attacks
Source Bleeping Computer
0
Severity
CriticalRated Critical by Threat Radar from the Bleeping Computer text
Data as of 16 Sep 2026, 05:47 UTC
What to do
AI-suggested
Cisco has released an official patch to remediate this zero-day vulnerability. Customers should apply the patch immediately to protect their Secure Email Gateway deployments. No alternative mitigations or workarounds are mentioned.
Description
Cisco warned customers to patch a critical Secure Email Gateway zero-day security flaw that threat actors have been exploiting in attacks. [...]
References
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