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Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

All Critical Actively Exploited Remotely Exploitable
Last Updated Published CVSS Score
Score
Vulnerability
Published
8.1 HIGH
CVE-2026-8969 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151.

Remote | Cross-Site Scripting
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
7.5 HIGH
CVE-2026-8968 — Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component

Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Denial of Service
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
0.0 NA
CVE-2026-8967 — Information disclosure in the Graphics: WebGPU component

Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 151.

| Information Disclosure
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
0.0 NA
CVE-2026-8966 — Information disclosure in the IP Protection component

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151.

| Information Disclosure
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
0.0 NA
CVE-2026-8965 — Information disclosure in the DOM: Security component

Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151.

| Information Disclosure
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
7.5 HIGH
CVE-2026-8964 — Spoofing issue in the Popup Blocker component

Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151.

Remote
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
7.5 HIGH
CVE-2026-8963 — Spoofing issue in the Web Speech component

Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151.

Remote
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
0.0 NA
CVE-2026-8962 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

| Information Disclosure
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
0.0 NA
CVE-2026-8961 — Spoofing issue in the Form Autofill component

Spoofing issue in the Form Autofill component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

| Authentication
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
7.5 HIGH
CVE-2026-8960 — Spoofing issue in WebExtensions

Spoofing issue in WebExtensions. This vulnerability was fixed in Firefox 151.

Remote | Authentication
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
9.6 CRITICAL
CVE-2026-8959 — Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Memory Corruption
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
8.6 HIGH
CVE-2026-8958 — Information disclosure, sandbox escape in the Security: Process Sandboxing component

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Information Disclosure
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
6.5 MEDIUM
CVE-2026-8957 — Privilege escalation in the Enterprise Policies component

Privilege escalation in the Enterprise Policies component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Authorization
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
9.8 CRITICAL
CVE-2026-8956 — Integer overflow in the Networking: JAR component

Integer overflow in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Memory Corruption
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
6.5 MEDIUM
CVE-2026-8955 — Privilege escalation in the DOM: Workers component

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Authorization
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
7.5 HIGH
CVE-2026-8954 — Incorrect boundary conditions, integer overflow in the Audio/Video component

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Memory Corruption
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
9.6 CRITICAL
CVE-2026-8953 — Sandbox escape due to use-after-free in the Disability Access APIs component

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, and Firefox ESR 140.11.

Remote | Memory Corruption
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
6.5 MEDIUM
CVE-2026-8952 — Privilege escalation in the Application Update component

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151.

Remote | Authorization
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
6.5 MEDIUM
CVE-2026-8951 — Spoofing issue in the Toolbar component in Firefox for Android

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

Remote | Authentication
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
9.3 CRITICAL
CVE-2026-8950 — Same-origin policy bypass in the Networking: HTTP component

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.

Remote | Misconfiguration
May 19, 2026 May 19, 2026
May 19, 2026
May 19, 2026
Showing 20 of 6359 Results