Security Alerts
Newly disclosed vulnerabilities that affect network, server and security equipment, with severity and the recommended action for each.
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76445
MediumCVSS —
VendorCisco
ProductCisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco UTD SNORT IPS Engine Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-76445 · Cisco Cisco Open Source Snort3
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76462
HighCVSS —
VendorCisco
ProductCisco Secure Client
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-76462 · Cisco Cisco Secure Client
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76487
MediumCVSS —
VendorCisco
ProductCisco Unified Communications Manager
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-76487 · Cisco Cisco Unified Communications Manager
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76489
MediumCVSS —
VendorCisco
ProductCisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-76489 · Cisco Cisco Open Source Snort3
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-20197
MediumCVSS —
VendorCisco
ProductCisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco UTD SNORT IPS Engine Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-20197 · Cisco Cisco Open Source Snort3
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-20221
MediumCVSS —
VendorCisco
ProductCisco Cyber Vision, Cisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-20221 · Cisco Cisco Cyber Vision
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76524
HighCVSS —
VendorCisco
ProductCisco Open Source Snort3
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-76524 · Cisco Cisco Open Source Snort3
Linux
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-98869
HighCVSS 7.8 / 10
VendorLinux
ProductLinux
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceNVD
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-98869 · Linux
Linux
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2023-7356
HighCVSS 8.8 / 10
VendorLinux
ProductLinux
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceNVD
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2023-7356 · Linux
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-20179
MediumCVSS —
VendorCisco
ProductCisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco UTD SNORT IPS Engine Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-20179 · Cisco Cisco Open Source Snort3
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-20019
MediumCVSS —
VendorCisco
ProductCisco Open Source Snort3, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco UTD SNORT IPS Engine Software
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com
CVE-2026-20019 · Cisco Cisco Open Source Snort3
Cisco
MANAR TECHTECHNOLOGY SERVICESReliable Connectivity.Stronger Networks.
SECURITY ALERT
CVE
CVE-2026-76481
CriticalCVSS —
VendorCisco
ProductCisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM and Presence Service
Recommended action
Apply the security updates or mitigations listed in the vendor's official advisory.
Published21-10-2026
SourceCisco PSIRT
SECURE
INFRASTRUCTURE
INFRASTRUCTURE
OPTIMIZED
NETWORKS
NETWORKS
BUSINESS
CONTINUITY
CONTINUITY
TRUSTED
PARTNER
PARTNER
MANAR TECHwww.manartech.com