WireGuard vulnerabilities and fixes

CVEs that mention WireGuard, ranked by priority. 5 tracked.

WireGuard has 5 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-10-23. Highest priority: CVE-2026-72603 (score 55/100).

• CVE-2026-72603 CRITICAL 9.9 An OS command injection vulnerability in wg-easy 15.3.0 allows users with the clients.create permission to exe
• CVE-2026-99059 HIGH 7.7 In the Linux kernel, the following vulnerability has been resolved: wireguard: noise: reject response consump
• CVE-2026-79977 HIGH 8.2 The WireGuard VPN service in subsys/net/lib/wireguard/wg.c updated the peer endpoint from a message it could n
• CVE-2026-115325 HIGH 8.3 Netmaker through 1.7.0 contains an authorization bypass vulnerability in the updateExtClient handler that allo
• CVE-2026-19380 LOW 2.3 A vulnerability was identified in Mullvad wireguard.sys 0.10.1

FAQ

How do I fix WireGuard vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is WireGuard being exploited right now?

None of the tracked WireGuard CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which WireGuard CVE should I patch first?

CVE-2026-72603 currently ranks highest (55/100): An OS command injection vulnerability in wg-easy 15.3.0 allows users with the clients.create permission to exe.

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