CVE-2021-26411
Microsoft Internet Explorer Memory Corruption Vulnerability
CVSS
8.8
Alto
EPSS
80.8%
p100
KEV
SÍ
3 nov 2021
Exploit Today
80
0-100
Publicado: 11 mar 2021 · Última mod.: 1 oct 2026 · CWE-416
80.8%EPSS · 30 días80.8%
2026-09-172026-10-15
Producto
Microsoft / Internet Explorer
Vulnerabilidad
Microsoft Internet Explorer Memory Corruption Vulnerability
Añadido a KEV
3 nov 2021
Remediar antes de
17 nov 2021
Uso conocido en ransomware
Sí
Descripción resumida
Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.
Acción requerida
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-26411
Internet Explorer Memory Corruption Vulnerability
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-1109228.8 ALT—
———Use after free in Prerender in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)6hCVE-2026-1109218.8 ALT—
———Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)6hCVE-2026-1109198.8 ALT—
———Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)6hCVE-2026-1109158.8 ALT—
———Use after free in Compositing in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)6hCVE-2026-1084468.8 ALT—
———Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.7hCVE-2026-1084428.8 ALT—
———Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.7h