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Alertas de Seguridad de la Información

Vulnerabilidades explotadas activamente, incidentes y análisis relevantes para México y LATAM. Actualizado automáticamente desde fuentes oficiales.

48 vulnerabilidades en CISA KEV — explotación activa confirmada Ver todas →
Última alerta publicada ahora mismo
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Esta semana
RSS
Alta × cwe-416 × Limpiar todo ×
M Alto vulnerabilidad
29/09/2026
[CVE-2026-95319] Use after free in Printing in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had…
Use after free in Printing in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
nvdaltovulnerabilidad CVSS 8.3 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-95315] Use after free in Aura in Google Chrome prior to 154.0.8037.57 allowed a local attacker to potential…
Use after free in Aura in Google Chrome prior to 154.0.8037.57 allowed a local attacker to potentially execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: High)
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-95298] Use after free in Browser in Google Chrome prior to 154.0.8037.57 allowed a local attacker to potent…
Use after free in Browser in Google Chrome prior to 154.0.8037.57 allowed a local attacker to potentially execute arbitrary code outside the sandbox via UI Interaction. (Chromium security severity: High)
nvdaltovulnerabilidad CVSS 7.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-95282] Use after free in Platform in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to exec…
Use after free in Platform in Google Chrome prior to 154.0.8037.57 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-84783] Issue summary: The first concurrent use of the same X.509 certificate by several threads may cause i…
Issue summary: The first concurrent use of the same X.509 certificate by several threads may cause its cached extension data to be freed while another thread is still using it. Impact summary: A remote, unauthenticated peer could crash a multi-threaded TLS client, or a multi-threaded TLS server that requests client certificates, if the first certificate chains built to the same trusted CA certifi…
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100831] Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Fir…
Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100832] Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.…
Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD

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M Alto vulnerabilidad
29/09/2026
[CVE-2026-100825] Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR …
Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100815] Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox…
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100805] Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox…
Race condition, use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 157.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100790] Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157…
Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100791] Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4,…
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100796] Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 157…
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 157.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100797] Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability …
Privilege escalation due to use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100784] Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox ESR …
Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD

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M Alto vulnerabilidad
29/09/2026
[CVE-2026-100785] Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4,…
Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100789] Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.…
Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100776] Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR…
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100777] Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.…
Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
29/09/2026
[CVE-2026-100779] Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157…
Use-after-free in the XSLT component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdaltovulnerabilidad CVSS 8.8 NVD