FI
Browser
Firefox
by Mozilla · last CVE Oct 6, 2026
On CISA KEVExploited in the wildRansomware-linked
3,445
CVEs
15
On KEV
10.0
Max CVSS
77
New 30D
Severity mix
Critical 489High 10Medium 1Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-100760
9.6
0%
Sep 29
Sandbox escape in the Security: Process Sandboxing component
Affected: before 153.4.0; 154.0.0 before 157.0.0
CVE-2026-100758
9.6
0%
Sep 29
Sandbox escape in the DOM: Navigation component
Affected: before 115.42.0; 116.0.0 before 140.17.0; 141.0.0 before 153.4.0; 154.0.0 before 157.0.0
CVE-2026-92071
9.6
0%
Sep 15
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92045
9.6
0%
Sep 15
Sandbox escape due to incorrect boundary conditions in the WebRTC component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92035
9.6
0%
Sep 15
Sandbox escape due to incorrect boundary conditions in the Graphics component
Affected: before 115.42.0; 116.0 before 140.17.0; 141.0 before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92032
9.6
0%
Sep 15
Sandbox escape due to invalid pointer in the Graphics component
Affected: before 140.16.0; 141.0 before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92018
9.6
0%
Sep 15
Sandbox escape in the DOM: Core & HTML component
Affected: before 115.41.0; 116.0 before 140.16.0; 141.0 before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-84121
9.6
0%
Sep 1
Sandbox escape due to use-after-free in the DOM: Security component
Affected: before 115.40.0; 116.0 before 140.15.0; 141.0.0 before 153.2.0; 154.0.0 before 155.0.0
CVE-2026-84119
9.6
0%
Sep 1
Sandbox escape due to use-after-free in the DOM: Navigation component
Affected: before 115.40.0; 116.0 before 140.15.0; 141.0.0 before 153.2.0; 154.0.0 before 155.0.0
CVE-2026-12297
9.6
0%
Jun 16
Sandbox escape due to incorrect boundary conditions in the Networking component
Affected: before 115.37.0; before 152.0.0; 128.0 before 140.12.0
CVE-2026-12296
9.6
0%
Jun 16
Sandbox escape in the Security: Process Sandboxing component
Affected: before 140.12.0; before 152.0.0
CVE-2026-12295
9.6
0%
Jun 16
Sandbox escape in the DOM: Navigation component
Affected: before 115.37.0; before 152.0.0; 128.0 before 140.12.0
CVE-2026-12294
9.6
0%
Jun 16
Sandbox escape in the DOM: Workers component
Affected: before 115.37.0; before 152.0.0; 128.0 before 140.12.0
CVE-2026-8959
9.6
0%
May 19
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component
Affected: before 140.11.0; before 151.0.0
CVE-2026-8953
9.6
1%
May 19
Sandbox escape due to use-after-free in the Disability Access APIs component
Affected: before 115.36.0; before 151.0.0; 140.0 before 140.11.0
CVE-2026-7321
9.6
0%
Apr 28
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component
Affected: before 140.10.1; before 150.0
CVE-2024-7519
9.6
1%
Aug 6
Insufficient checks when processing graphics shared memory could have led to memory corruption
Affected: before 129.0
CVE-2022-26384
9.6
1%
Dec 22
If an attacker could control the contents of an iframe sandboxed with <code>allow-popups</code> but not <code>allow-scripts</code>, they were able to craft a link that, when…
Affected: before 98.0
CVE-2022-22759
9.6
1%
Dec 22
If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g
Affected: before 97.0
CVE-2026-92059
9.3
0%
Sep 15
Incorrect boundary conditions in the DOM: Editor component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-8950
9.3
0%
May 19
Same-origin policy bypass in the Networking: HTTP component
Affected: before 140.11.0; before 151.0.0
CVE-2019-9812
9.3
2%
Jan 8
Given a compromised sandboxed content process due to a separate vulnerability, it is possible to escape that sandbox by loading accounts.firefox.com in that process and forcing a…
Affected: before 60.9; before 69.0; 61.0 before 68.1
CVE-2026-100763
9.1
0%
Sep 29
Incorrect boundary conditions in the Graphics: WebGPU component
Affected: before 157.0.0
CVE-2026-92079
9.1
0%
Sep 15
Mitigation bypass in the Widget: Win32 component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92075
9.1
0%
Sep 15
Mitigation bypass in the Networking component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92057
9.1
0%
Sep 15
Mitigation bypass in the Enterprise Policies component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92051
9.1
1%
Sep 15
Spoofing issue due to invalid pointer in the Graphics component
Affected: before 156.0.0
CVE-2026-92050
9.1
0%
Sep 15
Sandbox escape due to race condition in the XPConnect component
Affected: before 156.0.0
CVE-2026-92041
9.1
0%
Sep 15
Mitigation bypass in the DOM: Networking component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92038
9.1
0%
Sep 15
Mitigation bypass in the Remote Settings Client component
Affected: before 153.3.0; 154.0.0 before 156.0.0
CVE-2026-92034
9.1
0%
Sep 15
Site isolation issue in the Graphics component
Affected: before 156.0.0
CVE-2026-74986
9.1
1%
Aug 18
Site isolation issue in the CSS Parsing and Computation component
Affected: before 153.1.0
CVE-2026-74961
9.1
0%
Aug 18
Side-channel in the Web Audio component
Affected: before 153.1.0; before 153.1.0
CVE-2026-74956
9.1
0%
Aug 18
Same-origin policy bypass in the DOM: Service Workers component
Affected: before 153.1.0; before 154.0.0
CVE-2026-74938
9.1
0%
Aug 18
Mitigation bypass in the JavaScript: GC component
Affected: before 153.1.0; before 154.0.0
CVE-2026-74959
9.1
0%
Aug 18
Mitigation bypass in the Storage: Cache API component
Affected: before 140.14.0; 141.0 before 153.1.0
CVE-2026-16406
9.1
0%
Jul 21
Mitigation bypass in the Networking component
Affected: before 153.0.0
CVE-2026-16394
9.1
0%
Jul 21
Mitigation bypass in the DOM: Security component
Affected: before 153.0.0
CVE-2026-16359
9.1
0%
Jul 21
Incorrect boundary conditions in the Audio/Video: GMP component
Affected: before 115.38.0; before 153.0.0; 128.1.0 before 140.13.0
CVE-2026-16393
9.1
1%
Jul 21
Incorrect boundary conditions in the Graphics: WebGPU component
Affected: before 153.0.0
CVE-2026-16392
9.1
1%
Jul 21
JIT miscompilation in the JavaScript Engine: JIT component
Affected: before 153.0.0
CVE-2026-16390
9.1
0%
Jul 21
Mitigation bypass in the Enterprise Policies component
Affected: before 140.13.0; before 153.0.0
CVE-2026-16381
9.1
0%
Jul 21
Same-origin policy bypass in the Networking: DNS component
Affected: before 140.13.0; before 153.0.0
CVE-2026-16380
9.1
0%
Jul 21
Mitigation bypass in the Networking component
Affected: before 153.0.0
CVE-2026-16370
9.1
0%
Jul 21
Mitigation bypass in the DOM: Networking component
Affected: before 153.0.0
CVE-2026-16364
9.1
0%
Jul 21
Incorrect boundary conditions in the Audio/Video: Playback component
Affected: before 153.0.0
CVE-2026-12316
9.1
0%
Jun 16
Mitigation bypass in the DOM: Security component
Affected: before 152.0.0
CVE-2026-12315
9.1
0%
Jun 16
Mitigation bypass in the DOM: Security component
Affected: before 140.12.0; before 152.0.0
CVE-2026-12304
9.1
0%
Jun 16
Same-origin policy bypass in the Networking: Cookies component
Affected: before 140.12.0; before 152.0.0
CVE-2026-8948
9.1
0%
May 19
Same-origin policy bypass in the DOM: Networking component
Affected: before 151.0.0
Page 10 of 10 · 500 total
1…910
The 500 most important CVEs for this product (exploited first, then by severity)