CVE-2021-31979
Microsoft Windows Kernel Privilege Escalation Vulnerability
CVSS
7.8
Alto
EPSS
4.5%
p91
KEV
SÍ
3 nov 2021
Exploit Today
77
0-100
Publicado: 14 jul 2021 · Última mod.: 10 ago 2026 · CWE-119
4.5%EPSS · 30 días4.5%
2026-09-172026-10-15
Producto
Microsoft / Windows
Vulnerabilidad
Microsoft Windows Kernel Privilege Escalation Vulnerability
Añadido a KEV
3 nov 2021
Remediar antes de
17 nov 2021
Uso conocido en ransomware
No
Descripción resumida
Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.
Acción requerida
Apply updates per vendor instructions.
Notas
https://nvd.nist.gov/vuln/detail/CVE-2021-31979
Windows Kernel Elevation of Privilege Vulnerability
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-110920——
———Memory corruption 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)9hCVE-2026-110918——
———Memory corruption in Core in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)9hCVE-2026-110917——
———Memory corruption in SVG in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to read memory via a crafted HTML page. (Chromium security severity: High)9hCVE-2026-110914——
———Memory corruption in Workers in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)9hCVE-2026-110913——
———Memory corruption in DOM 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)9hCVE-2026-454508.3 ALT—
——0: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Unitronics Unitronics UniStream Pro/UniLogic.
This issue affects Unitronics UniStream Pro/UniLogic: Unitronics UniStream Pro versions only (B10 / C10) – UniLogic versions prior to 1.41.329.12h