
Cisco Warns of Secure Email Gateway 0-Day Vulnerability Actively Exploited in Attacks
Cisco says attackers are exploiting an unauthenticated root zero-day in Secure Email Gateway.
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Cisco says attackers are exploiting an unauthenticated root zero-day in Secure Email Gateway.
CISA says actively exploited Cisco Secure Email Gateway flaw CVE-2026-76519 allows root command execution.

Cisco says attackers are exploiting CVE-2026-76519 in Secure Email Gateway to run root commands via crafted attachments.

Cisco says attackers are exploiting critical unauthenticated CVE-2026-76519 in Secure Email Gateway for root access.

Actively exploited CVE-2026-76519 lets unauthenticated attackers gain root on Cisco Secure Email Gateway.
Attackers are exploiting Cisco Secure Email Gateway zero-day CVE-2026-76519 for unauthenticated root access via email.

Cisco says CVE-2026-76519 in Secure Email Gateway is exploited and now on CISA’s KEV list.

Cisco says attackers are exploiting critical Secure Email Gateway flaw CVE-2026-76519 to write files and gain root.

Cisco patched actively exploited Secure Email Gateway zero-day CVE-2026-76519 enabling unauthenticated root execution.
Cisco Secure Email Gateway flaw lets unauthenticated attackers write files and run root commands via crafted attachments.
With file reputation enabled, a crafted email attachment can write files and run root commands; federal action is due October 17.

Microsoft's quarterly benchmark claims Defender missed 55.4% fewer high-severity email threats than the next-closest secure email gateway.

Cisco confirmed active exploitation of CVE-2026-76461, a critical SQL injection flaw in Secure Email Gateway that enables OS command execution.

CISA added actively exploited Cisco Secure Email Gateway zero-day CVE-2026-76461 (CVSS 9.8) to KEV; federal agencies must patch by September 17, 2026.

Actively exploited Cisco Secure Email Gateway zero-day CVE-2026-76461 lets crafted emails trigger SQL injection and root command execution; CISA added it to KEV.
Attackers actively exploit critical Cisco Secure Email Gateway flaw CVE-2026-76461, turning a malicious email into unauthenticated root access.

Actively exploited Cisco Secure Email Gateway zero-day CVE-2026-76461 allows unauthenticated root command execution; CISA added it to KEV.

CISA added actively exploited Cisco Secure Email Gateway SQL injection flaw CVE-2026-76461 to its KEV catalog, enabling unauthenticated root command execution.
Cisco Secure Email Gateway flaw CVE-2026-76461 enables root command execution via crafted email SQL injection and is actively exploited, added to CISA KEV.

Cisco Secure Email Gateway zero-day CVE-2026-76461 (CVSS 9.8) is actively exploited for root command execution; CISA added it to KEV.

Cisco Secure Email Gateway zero-day CVE-2026-76461 (CVSS 9.8) enables unauthenticated root command execution via crafted email; CISA added it to KEV.

Actively exploited zero-day SQL injection (CVE-2026-76461) in Cisco Secure Email Gateway allows unauthenticated root command execution; CISA ordered federal remediation by September 17.

Cisco patches actively exploited Secure Email Gateway zero-day CVE-2026-76461 enabling unauthenticated root command execution; CISA adds it to KEV.

Cisco warns CVE-2026-76461 in Secure Email Gateway AsyncOS is actively exploited, letting unauthenticated attackers run root commands via crafted emails.
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