Archive · Firefox
Release — Firefox · 2026-06-16
CVEs 40
| CVE | Component | Class | Severity | ITW | Fix | RCA |
|---|---|---|---|---|---|---|
| CVE-2026-12289 | Graphics | Logic Error | High | — | ● | ✓ |
| CVE-2026-12290 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-12291 | Networking | UAF | High | — | ● | ✓ |
| CVE-2026-12292 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-12293 | Core | UAF | High | — | — | — |
| CVE-2026-12294 | DOM | Sandbox Escape | High | — | ● | ✓ |
| CVE-2026-12295 | DOM | Sandbox Escape | High | — | ● | ✓ |
| CVE-2026-12296 | Security/NSS | Sandbox Escape | High | — | ● | ✓ |
| CVE-2026-12297 | Networking | Sandbox Escape | High | — | ● | ✓ |
| CVE-2026-12298 | Core | Logic Error | High | — | — | — |
| CVE-2026-12299 | DOM | Logic Error | High | — | ● | ✓ |
| CVE-2026-12300 | Toolkit | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12301 | Networking | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12302 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12303 | Core | Info Disclosure | Medium | — | — | — |
| CVE-2026-12304 | DOM | Cross Origin | Medium | — | ● | ✓ |
| CVE-2026-12305 | Graphics | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12306 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12307 | Core | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12308 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12309 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12310 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12311 | Security/NSS | Sandbox Escape | Medium | — | ● | ✓ |
| CVE-2026-12312 | Networking | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12313 | Security/NSS | Sandbox Escape | Medium | — | ● | ✓ |
| CVE-2026-12314 | Core | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12315 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12316 | DOM | Logic Error | Medium | — | ● | ✓ |
| CVE-2026-12317 | DOM | Logic Error | Low | — | ● | ✓ |
| CVE-2026-12318 | Core | Logic Error | Low | — | — | — |
| CVE-2026-12319 | Core | Logic Error | Low | — | — | — |
| CVE-2026-12320 | Toolkit | Info Disclosure | Low | — | ● | ✓ |
| CVE-2026-12321 | SpiderMonkey | Logic Error | Low | — | ● | ✓ |
| CVE-2026-12322 | Widget | Logic Error | Low | — | ● | ✓ |
| CVE-2026-12323 | Core | Spoofing | Low | — | ● | ✓ |
| CVE-2026-12324 | DOM | Logic Error | Low | — | ● | ✓ |
| CVE-2026-12325 | Media | Logic Error | Low | — | ● | ✓ |
| CVE-2026-12326 | Core | Memory Corruption | High | — | ● | ✓ |
| CVE-2026-12327 | Widget | Memory Corruption | Medium | — | ● | ✓ |
| CVE-2026-12328 | Graphics | Memory Corruption | High | — | ● | ✓ |