CVE-2026-76461
Actively exploited. CVE-2026-76461 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-09-14) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-76461 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-76461 Cisco Secure Email Gateway SQL Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied. While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities . CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nomination Form . Potential KEV additions must have a CVE ID, evidence of exploitation, and clear mitigation guidance.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-76461 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (9)
- highexploited[NEU] [hoch] Cisco Secure Email Gateway: Mehrere Schwachstellencert-bund · 2026-09-15
- unknownexploitedCisco Products Multiple Vulnerabilitieshkcert · 2026-09-15
- unknownexploitedMultiples vulnérabilités dans les produits Cisco (15 septembre 2026)cert-fr-avis · 2026-09-15
- unknownexploitedCisco security advisory (AV26-921)cccs · 2026-09-14
- unknownexploitedNCSC-2026-0368 [1.00] [H/H] Kwetsbaarheid verholpen in Cisco Secure Email Gatewayncsc-nl · 2026-09-14
- criticalexploitedCVE-2026-76461: A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway …nvd · 2026-09-14
- criticalexploitedCisco Secure Email Gateway SQL Injection Vulnerabilitycisco-psirt · 2026-09-14
- highexploitedCISA Adds One Known Exploited Vulnerability to Catalogcisa · 2026-09-14
- criticalexploitedCVE-2026-76461: Cisco Secure Email Gateway SQL Injection Vulnerabilitycisa-kev · 2026-09-14
External references
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[](https://www.csirts.com/cve/CVE-2026-76461)