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vendor6 exploited in the wild

Cisco

41 CVEs published in the last four months and 12 stories. Exploited flaws first.

Critical5
High33
Medium3
Exploited (KEV)6

Patch these first

CVECVSSSeverityProductSummaryPublished
CVE-2026-20182exploited10criticalcatalyst sd-wan managerMay 2026: This security advisory provides the details and fix information for a vulnerability that was discovered 160d ago
CVE-2026-20230exploited8.6highunified communications managerA vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Sess140d ago
CVE-2026-20349exploited8.6highadaptive security appliance softwareA vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) S71d ago
CVE-2026-20245exploited7.8highcatalyst sd-wan managerA vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Mana138d ago
CVE-2026-20262exploited6.5mediumcatalyst sd-wan managerA vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authentica128d ago
CVE-2026-20316exploited5.3mediumsecure firewall management centerA vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unau84d ago

All recent CVEs

CVECVSSSeverityProductSummaryPublished
CVE-2026-2022310criticalsecure workloadA vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauth154d ago
CVE-2026-20182exploited10criticalcatalyst sd-wan managerMay 2026: This security advisory provides the details and fix information for a vulnerability that was discovered 160d ago
CVE-2026-202729.8criticalios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-201819.1criticalidentity services engineA vulnerability in Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to execute arbitrary comman126d ago
CVE-2026-202679criticalios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-200468.8highios xrA vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authen224d ago
CVE-2026-200408.8highios xrA vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitr224d ago
CVE-2026-201508.8highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-202008.8highunified computing systemA vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker w77d ago
CVE-2026-763898.8hightalos intelligence for enterprise security cloudIn Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the 62d ago
CVE-2026-202248.6highcatalyst sd-wan managerA vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenti160d ago
CVE-2026-20230exploited8.6highunified communications managerA vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Sess140d ago
CVE-2026-202738.6highios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-202718.6highios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-202708.6highios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-202698.6highios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-202688.6highios xeAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software enginee77d ago
CVE-2026-20349exploited8.6highadaptive security appliance softwareA vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) S71d ago
CVE-2026-201568.1highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-20245exploited7.8highcatalyst sd-wan managerA vulnerability in the CLI of Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Mana138d ago
CVE-2026-202147.5highsecure endpointA vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a112d ago
CVE-2026-202137.5highsecure endpointA vulnerability in the PE file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a 112d ago
CVE-2026-203487.5highsecure endpointA vulnerability in the XAR file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a75d ago
CVE-2026-201537.5highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-202447.5highsecure endpointA vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a112d ago
CVE-2026-201577.5highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-201587.5highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-201877.5highroomosAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team98d ago
CVE-2026-202167.5highsecure endpointA vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker 112d ago
CVE-2026-202157.5highsecure endpointA vulnerability in the 7z file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a 112d ago
CVE-2026-202437.5highsecure endpointA vulnerability in the ALZ file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a112d ago
CVE-2026-201907.5highidentity services engineA vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive informa126d ago
CVE-2026-202177.5highsecure endpointA vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to caus112d ago
CVE-2026-200747.4highios xrA vulnerability in the Intermediate System-to-Intermediate System (IS-IS) multi-instance routing feature of Cisco 224d ago
CVE-2026-246977.2highrv130 firmwareAn OS command injection vulnerability exists in the start_bonjour() function of the "rc" binary in Cisco RV130/RV1105d ago
CVE-2026-246987.2highrv130 firmwareAn OS command injection vulnerability exists in the save_syslog_to_file() function of the "httpd" binary in Cisco 105d ago
CVE-2026-246997.2highrv130 firmwareAn OS command injection vulnerability exists in the sub_34984() function of the "rc" binary in Cisco RV130/RV130W 105d ago
CVE-2026-247007.2highrv130 firmwareAn OS command injection vulnerability exists in the start_lltd() function of the "rc" binary in Cisco RV130/RV130W105d ago
CVE-2026-20262exploited6.5mediumcatalyst sd-wan managerA vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authentica128d ago
CVE-2026-201176.1mediumunified contact center expressA vulnerability in the web-based management interface of Cisco Unified Contact Center Express (Unified CCX) could 224d ago
CVE-2026-20316exploited5.3mediumsecure firewall management centerA vulnerability in the web interface of Cisco Secure Firewall Management Center (FMC) Software could allow an unau84d ago

Filter the full tracker by Cisco →

Our coverage of Cisco

breachcritical

Cisco Patches a Dozen Critical Vulnerabilities

Cisco has released patches addressing a dozen critical vulnerabilities across its product line. These security defects reportedly encompass a range of potential impacts, including unauthorized access, information leaks, privilege escalation, denial-of-service (DoS) attacks, and remote code execution (RCE). The widespread nature of these reported flaws suggests a significant security update…

vulnerabilitycritical

Cisco warns of critical flaws allowing Nexus switch takeover

Cisco has issued a warning regarding five critical vulnerabilities identified in its NX-OS data center network operating system, which could enable attackers to execute arbitrary code with root privileges on Nexus switches. In scenarios where remote code execution is not achievable, exploitation of these flaws could lead to process crashes and device reloads, resulting in denial-of-service…

security

Cisco quantum network controller lets apps order entanglement on demand

Cisco has unveiled a Quantum Network Controller, a research prototype designed to enable applications to request entanglement on demand from a quantum network, abstracting away the underlying hardware complexities. This controller manages the distribution of entanglement, a linked quantum state shared between distant points, which is a critical resource for quantum networks.

CVE-2026-76461high

Week in review: Cisco patches exploited email gateway 0-day, Revolut breach

Cisco has confirmed that attackers are actively exploiting a zero-day SQL injection vulnerability, tracked as CVE-2026-76461, in its Secure Email Gateway appliances. The company's Product Security Incident Response Team became aware of the exploitation in September 2025 and has since provided indicators of compromise for organizations to check for potential breaches.

CVE-2026-76460

Cisco Zero-Day Highlights API Endpoint Authentication Issues

A critical authentication bypass vulnerability, designated CVE-2026-76460, has been reported in Cisco's Identity Services Engine (ISE). The flaw has been assigned a maximum CVSS score of 10.0, indicating its severe potential impact. This zero-day issue reportedly allows for an authentication bypass, highlighting significant concerns regarding API endpoint security within the affected product.

vulnerabilityhigh

Cisco alerts customers to second actively exploited zero-day in as many days

Cisco has issued an alert to customers regarding a second actively exploited zero-day vulnerability discovered within days, affecting its Identity Services Engine (ISE) product. The flaw, identified as CVE-2026-76460, carries a maximum severity rating of 10.0 and was exploited in the wild prior to Cisco's disclosure and subsequent patch release on Wednesday, September 17, 2026.

vulnerabilityhigh

Cisco warns of max severity ISE zero-day exploited in attacks

Cisco has issued an urgent warning regarding a maximum-severity zero-day vulnerability in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) products, which is actively being exploited in the wild. The flaw, identified as CVE-2026-76460, allows remote attackers to bypass authentication by exploiting an API weakness, regardless of the system's configuration.

vulnerability

Active Exploitation Triggers Emergency Patch for Cisco ISE Zero-Day

Cisco has released an emergency security patch for a zero-day vulnerability affecting its Identity Services Engine (ISE) product, following reports of active exploitation. The flaw allows remote, unauthenticated attackers to bypass authentication mechanisms by sending specially crafted requests to affected ISE instances. This critical update addresses a significant security risk given the…

CVE-2026-76461critical

U.S. CISA adds Cisco Secure Email Gateway flaw to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical vulnerability in Cisco Secure Email Gateway, identified as CVE-2026-76461, to its Known Exploited Vulnerabilities (KEV) catalog. This addition mandates that federal civilian executive branch (FCEB) agencies address the flaw by September 17, 2026, to protect their networks from active exploitation.

vulnerability

Week in review: Linux rootkit deployed on F5 BIG-IP APM devices, Cisco FMC bugs exploited

Attackers have deployed a Linux rootkit on F5 BIG-IP APM devices, utilizing a method that hides a web shell in memory rather than writing it to disk. This technique makes detection more challenging for traditional security tools. F5 BIG-IP APM is a system designed for enforcing access policies.

CVE-2026-20079high

Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks

Cisco has confirmed active exploitation of CVE-2026-20079, a critical authentication bypass vulnerability in its Secure Firewall Management Center (FMC) software. The flaw, which carries a maximum CVSS score of 10.0, allows unauthenticated, remote attackers to execute scripts and commands with root privileges on affected devices by sending specially crafted HTTP requests to the web interface.

vulnerabilitycritical

Cisco searched for IOS XR bugs and found so many it rolled them into an update release

Cisco has issued a warning to customers regarding several critical vulnerabilities across its product lines, including three rated as critical. Two of these impact the Cisco IOS XR operating system, which powers the company's carrier-grade equipment, while the third affects certain Nexus 9000 Series Switches.