2026 CVE Vulnerabilities

65,007 CVEs published in 2026.

CVE IDSeverityCVSSDescription
CVE-2026-6783MEDIUM5.3Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in ...
CVE-2026-6782HIGH7.5Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6781HIGH7.5Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 15...
CVE-2026-6780HIGH7.5Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 15...
CVE-2026-6779MEDIUM5.3Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6778MEDIUM5.3Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6777MEDIUM5.3Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6776HIGH7.8Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ...
CVE-2026-6775MEDIUM5.3Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6774MEDIUM5.4Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6773HIGH7.5Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150...
CVE-2026-6772HIGH7.5Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ES...
CVE-2026-6771CRITICAL9.8Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thund...
CVE-2026-6770MEDIUM6.5Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunde...
CVE-2026-6769HIGH8.8Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunder...
CVE-2026-6768CRITICAL9.8Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6767MEDIUM5.3Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ...
CVE-2026-6766HIGH7.5Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ES...
CVE-2026-6765MEDIUM5.3Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, ...
CVE-2026-6764MEDIUM6.5Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Fire...
CVE-2026-6763MEDIUM6.5Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thund...
CVE-2026-6762MEDIUM6.3Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firef...
CVE-2026-6761HIGH8.8Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thund...
CVE-2026-6760CRITICAL9.8Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE-2026-6759HIGH7.5Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderb...

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