Real-Time Zero-Day Stream • Direct NIST NVD Disclosures (2025-2026)

Fresh 2026 Zero-Days & Newly Disclosed CVEs

Continuous surveillance of newly registered CVE advisories with CVSS threat scores, attack vector metrics, and impacted software libraries.

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Found 11,828 fresh security advisories
Page 155 of 493
CVE-2026-16412 CRITICAL 9.8
mozilla/firefox CWE-119 Remote (AV:N)

Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been e...

📅 2026-07-21 Inspect Dossier →
CVE-2026-16411 CRITICAL 9.8
mozilla/firefox CWE-119 Remote (AV:N)

Memory safety bugs present in Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary c...

📅 2026-07-21 Inspect Dossier →
CVE-2026-16410 CRITICAL 9.8
mozilla/firefox CWE-843 Remote (AV:N)

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16408 CRITICAL 9.8
mozilla/firefox CWE-190 Remote (AV:N)

Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16407 CRITICAL 9.8
mozilla/firefox CWE-284 Remote (AV:N)

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16406 CRITICAL 9.1
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16402 CRITICAL 9.8
mozilla/firefox CWE-190 Remote (AV:N)

Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16395 CRITICAL 9.8
mozilla/firefox CWE-190 Remote (AV:N)

Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16394 CRITICAL 9.1
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16393 CRITICAL 9.1
mozilla/firefox CWE-119 Remote (AV:N)

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16392 CRITICAL 9.1

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16390 CRITICAL 9.1
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16389 CRITICAL 9.8
mozilla/firefox CWE-190 Remote (AV:N)

Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16388 CRITICAL 9.8
mozilla/firefox CWE-693 Remote (AV:N)

Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16387 CRITICAL 9.8
mozilla/firefox CWE-200 Remote (AV:N)

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16383 CRITICAL 9.8
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16382 CRITICAL 9.8
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16381 CRITICAL 9.1
mozilla/firefox CWE-346 Remote (AV:N)

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16380 CRITICAL 9.1
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16377 CRITICAL 9.8
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16375 CRITICAL 9.8
mozilla/firefox CWE-346 Remote (AV:N)

Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16370 CRITICAL 9.1
mozilla/firefox CWE-693 Remote (AV:N)

Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16369 CRITICAL 9.8
mozilla/firefox CWE-190 Remote (AV:N)

Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
CVE-2026-16368 CRITICAL 9.8
mozilla/firefox CWE-119 Remote (AV:N)

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13....

📅 2026-07-21 Inspect Dossier →
Showing Page 155 of 493 • 11,828 newly disclosed advisories