{"vulnerability": "CVE-2026-12293", "sightings": [{"uuid": "53f6ec88-80dc-46cd-a345-971aed0a80f3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-12293", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20260618", "content": "", "creation_timestamp": "2026-06-17T20:00:00.000000Z"}, {"uuid": "0a443ca0-1d26-47d1-85d0-cf9dcfe1e34e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12293", "type": "seen", "source": "https://bsky.app/profile/securitycyberuk.bsky.social/post/3motnlcsy2u2f", "content": "\ud83d\udea8  ALERT: CVE-2026-12293\n\nCVSS 9.8/10\n\n\ud83d\udccb WHAT IT IS:\nUse-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.\n\n\ud83c\udfaf WHO'S AFFECTED:\n  \u2022 Thunderbird\n\n\u2694\ufe0f HOW IT'S EXPLOITED:\nAttack vector: NETWORK\nImpact: high impact on confidentiality, integrity,", "creation_timestamp": "2026-06-22T00:40:48.006724Z"}, {"uuid": "0a5db89f-3d1c-4ddf-9737-070da1a06c55", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12293", "type": "seen", "source": "https://bsky.app/profile/smit-artem.bsky.social/post/3mpllz4vzvm2h", "content": "Heads up: an important security fix just landed for Mozilla Firefox. Open its settings and let it update. A couple of taps now keeps your data safer. CVE-2026-12293", "creation_timestamp": "2026-07-01T13:16:01.868653Z"}, {"uuid": "505436a7-fe6c-4880-aea9-54c761a3c04c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12293", "type": "seen", "source": "https://bsky.app/profile/vulny-app.bsky.social/post/3mqfndngj3i2u", "content": "A critical-severity fix just shipped for Mozilla Firefox. If your stack uses it, patch to the fixed release soon. Quietly closes the gap before anyone goes looking. CVE-2026-12293", "creation_timestamp": "2026-07-11T21:49:01.968695Z"}]}