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Activamente explotadaCVSS 8.8 · HIGH

CVE-2010-0806

Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an 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

A critical use-after-free vulnerability in Internet Explorer 6 and 7 allows for remote code execution. While these versions are end-of-life, this flaw has been actively exploited in the wild and remains part of the CISA Known Exploited Vulnerabilities catalog.

Roles relevantes

WindowsFrontendCyberSecurity

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-399CWE-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): 0.8725 (87.3%)
Percentil: 99.5%
EPSS: 2026-05-23

Afecta

microsoft:internet_explorermicrosoft:windows_2000microsoft:windows_7microsoft:windows_server_2003microsoft:windows_server_2008microsoft:windows_vistamicrosoft:windows_xp

Descripción técnica

Use-after-free vulnerability in the Peer Objects component (aka iepeers.dll) in Microsoft Internet Explorer 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object, as exploited in the wild in March 2010, aka "Uninitialized Memory Corruption Vulnerability."

Publicada: 10/3/2010, 22:30:01
Última modificación: 21/5/2026, 12:57:10

Referencias

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