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Activamente explotadaCVSS 8.8 · HIGH

CVE-2010-0249

Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

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Análisis

Microsoft Internet Explorer is vulnerable to remote code execution via a use-after-free flaw. This specific vulnerability was famously used in the Operation Aurora attacks and remains a critical reference for legacy system security and browser-based exploitation.

Roles relevantes

WindowsCyberSecurityFrontendJavascript

Severidad

Puntaje: 8.8(HIGH)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: REQUIRED
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Tipo de falla (CWE): CWE-416

CISA KEV

Agregada al KEV: 2026-05-20
Fecha límite federal: 2026-06-03
Uso conocido en ransomware: Unknown
Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS

Probabilidad de explotación (próx. 30 días): 0.8868 (88.7%)
Percentil: 99.5%
EPSS: 2026-05-23

Afecta

microsoft:internet_explorermicrosoft:windows_2000microsoft:windows_server_2003microsoft:windows_xpmicrosoft:windows_server_2008microsoft:windows_vistamicrosoft:windows_7

Descripción técnica

Use-after-free vulnerability in Microsoft Internet Explorer 6, 6 SP1, 7, and 8 on Windows 2000 SP4; Windows XP SP2 and SP3; Windows Server 2003 SP2; Windows Vista Gold, SP1, and SP2; Windows Server 2008 Gold, SP2, and R2; and Windows 7 allows remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object, related to incorrectly initialized memory and improper handling of objects in memory, as exploited in the wild in December 2009 and January 2010 during Operation Aurora, aka "HTML Object Memory Corruption Vulnerability."

Publicada: 15/1/2010, 17:30:00
Última modificación: 21/5/2026, 12:57:01

Referencias

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