Quick answers
- Is CVE-2026-76461 exploited in the wild?
- Yes. CVE-2026-76461 is known to be exploited in the wild, first recorded on 14 September 2026. Treat it as urgent.
- How severe is CVE-2026-76461?
- Critical severity, with a CVSS score of 9.8, published 14 September 2026.
- Which products and versions are affected?
- Cisco Secure Email Gateway <UNKNOWN>.
- Is there a fix for CVE-2026-76461?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-76461 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-76461?
- Check whether you run Cisco Secure Email Gateway at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability exists in Cisco AsyncOS, the core software running Secure Email Gateway appliances. A SQL injection flaw in an unauthenticated, network-accessible component allows remote attackers to inject and execute arbitrary SQL commands. By exploiting this injection point, an attacker can escalate privileges to execute arbitrary operating system commands with root privileges. The vulnerability requires no authentication and is reachable over the network. Confirmed exploitation in the wild indicates active threat activity. Patch availability should be obtained from Cisco's security advisory.
Affected products
- Cisco Secure Email Gateway <UNKNOWN>
Timeline
- 2026-09-14: disclosed
- exploited: confirmed exploitation in the wild