Critical CVEs

New CVEs as they are published, with CVSS score, CISA KEV status, public exploits and the vendor's fix. Worth tracking, but only a small part of what Panop does: mapping what you expose to the internet, testing what an attacker can actually exploit, ranking it by business impact, and helping your team understand and fix it.

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Feed at a glance

Tracked
10143
Critical
1867
CISA KEV
79
Public PoC
365

Most common types

  • Broken Access Control 1254
  • Privilege Escalation 1186
  • Remote Code Execution 1092
  • Authentication Bypass 810
  • Denial of Service 799

Published per day, last 14 days

3 Oct Critical Other 16 Oct

Source: public CVE records (NVD, CISA KEV) · last published 16 Oct 2026

Critical CVEs

Newest first · severity as published by the vendor or NVD · page 60 of 125

  • 9.6 /10 Critical
    CVE-2026-100828

    Firefox ESR - Mitigation Bypass

    Firefox ESR contains a mitigation bypass vulnerability in the Bookmarks & History component, letting attackers bypass security mitigations, exploit requires unspecified conditions.

  • 9.6 /10 Critical
    CVE-2026-100819 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox contains a sandbox escape caused by incorrect boundary conditions in the XPCOM component, letting attackers escape sandbox restrictions, exploit requires no special conditions.

  • 9.6 /10 Critical
    CVE-2026-100818 No auth

    Firefox - Sandbox Escape

    Firefox ESR < 153.4, Firefox < 157, and Firefox ESR < 140.17 contain a sandbox escape caused by use-after-free in the Widget: Gtk component, letting attackers escape sandbox restrictions, exploit requires crafted input.

  • 9.6 /10 Critical
    CVE-2026-100811 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox < 157 and Firefox ESR < 153.4 contain a sandbox escape caused by use-after-free in the DOM: Core & HTML component, letting attackers escape sandbox restrictions, exploit requires crafted web content.

  • 9.8 /10 Critical
    CVE-2026-100810

    CVE-2026-100810

    Other issue in the DevTools component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

  • 9.6 /10 Critical
    CVE-2026-100804 No auth

    Firefox - Sandbox Escape

    Firefox contains a use-after-free vulnerability in the Preferences: Backend component, letting attackers escape sandbox restrictions, exploit requires triggering use-after-free condition.

  • 9.6 /10 Critical
    CVE-2026-100800

    Firefox - Sandbox Escape

    Firefox ESR < 153.4 and Firefox < 157 contain a use-after-free vulnerability in the Disability Access APIs component, letting attackers escape sandbox restrictions, exploit requires triggering the use-after-free condition.

  • 9.6 /10 Critical
    CVE-2026-100794 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox ESR < 153.4, Firefox < 157, and Firefox ESR < 140.17 contain a sandbox escape caused by incorrect boundary conditions in the Internationalization component, letting attackers escape sandbox restrictions, exploit requires crafted input.

  • 9.8 /10 Critical
    CVE-2026-100788 No auth

    Firefox - Memory Corruption

    Firefox contains a memory corruption vulnerability caused by invalid pointer usage in the JavaScript WebAssembly component, letting attackers potentially cause crashes or execute arbitrary code, exploit requires crafted WebAssembly code.

  • 9.6 /10 Critical
    CVE-2026-100787 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox ESR < 153.4 and Firefox < 157 contain a sandbox escape vulnerability caused by a flaw in the XUL component, letting attackers escape sandbox restrictions, exploit requires no special conditions.

  • 9.6 /10 Critical
    CVE-2026-100786

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox contains a sandbox escape caused by a use-after-free vulnerability in the Graphics component, letting attackers escape sandbox restrictions, exploit requires triggering the use-after-free condition.

  • 9.6 /10 Critical
    CVE-2026-100781 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox contains a sandbox escape vulnerability caused by incorrect boundary conditions in the Graphics: WebRender component, letting attackers escape sandbox restrictions, exploit requires no special conditions.

  • 9.6 /10 Critical
    CVE-2026-100778 No auth

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox contains a sandbox escape caused by a use-after-free vulnerability in the DOM: Core & HTML component, letting attackers escape sandbox restrictions, exploit requires crafted web content.

  • 9.6 /10 Critical
    CVE-2026-100775

    Mozilla Firefox - Sandbox Escape

    Mozilla Firefox contains a sandbox escape vulnerability in the Graphics component, letting attackers escape sandbox restrictions, exploit requires unspecified conditions.

  • 9.6 /10 Critical
    CVE-2026-100770 No auth

    Mozilla Firefox - Use After Free

    Mozilla Firefox contains a use-after-free vulnerability in the DOM: Content Processes component, letting attackers escape sandbox restrictions, exploit requires crafted web content.