Vulnerability details

CVE-2010-0249

Actively exploited
Microsoft Internet Explorer
CVSS 3.1
8.8High

Official description

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."

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

15
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Details

Published
2010-01-15
Last updated
2026-05-21
State
Published
Assigner (CNA)
microsoft

CISA KEV catalog

Date added
2026-05-20
Due date
2026-06-03
Used in ransomware
Unknown

Exploit prediction (EPSS)

91.93%
Probability of exploitation in 30 days
99.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Active
Technical impact
Total

Weaknesses (CWE)

  • CWE-416
    Use After Free