Cisco Patches Another SD-WAN Zero-Day, the Sixth Exploited in 2026

SecurityWeek

May 15, 2026 at 6:28 AM

Actively Exploited

Overview

Cisco has released a patch for a newly discovered zero-day vulnerability, identified as CVE-2026-20182, which has been actively exploited in targeted attacks. This vulnerability affects Cisco’s SD-WAN products and has been linked to a sophisticated threat actor known as UAT-8616. The exploitation of this flaw marks the sixth zero-day incident involving Cisco in 2026, raising concerns about the security of their products. Companies using Cisco SD-WAN solutions should prioritize applying the latest patches to protect against potential breaches. The ongoing exploitation of this vulnerability highlights the need for vigilance in cybersecurity practices.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Cisco SD-WAN products, specifically those vulnerable to CVE-2026-20182.
Action Required: Cisco has released a patch to address CVE-2026-20182.
Timeline: Newly disclosed

Original Article Summary

The zero-day, tracked as CVE-2026-20182, has been exploited in targeted attacks by a sophisticated threat actor identified as UAT-8616. The post Cisco Patches Another SD-WAN Zero-Day, the Sixth Exploited in 2026 appeared first on SecurityWeek.

Impact

Cisco SD-WAN products, specifically those vulnerable to CVE-2026-20182.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Cisco has released a patch to address CVE-2026-20182. Users are advised to update their SD-WAN systems to the latest version provided by Cisco to mitigate the risk of exploitation.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to CVE, Zero-day, Cisco, and 2 more.

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