CVE-2010-0249

HIGH CISA KEV EPSS 99.8%
Published Jan 15, 201016y ago · Modified May 21, 20261mo ago
8.8 CVSS 3.1
High
Find Similar
Published Jan 15, 2010 16y ago
Last Modified May 21, 2026 1mo ago
KEV Listed May 20, 2026 1mo ago
KEV Due Jun 3, 2026 30d overdue

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 Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 30d
Added
May 20, 2026
Due
Jun 3, 2026

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 Exploit Probability
99.8% percentile
Exploit & Patch Status
Actively Exploited (KEV)
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 33

VendorProductVersionRange
microsoftinternet_explorer5.0.1any
microsoftinternet_explorer6any
microsoftwindows_2000*any
microsoftinternet_explorer6any
microsoftwindows_server_2003*any
microsoftwindows_server_2003*any
microsoftwindows_xp*any
microsoftwindows_xp*any
microsoftwindows_xp*any
microsoftinternet_explorer7.0any
microsoftwindows_server_2003*any
microsoftwindows_server_2003*any
microsoftwindows_server_2008*any
microsoftwindows_server_2008*any
microsoftwindows_vista*any
microsoftwindows_vista*any
microsoftwindows_vista*any
microsoftwindows_xp*any
microsoftwindows_xp*any
microsoftwindows_xp*any
microsoftinternet_explorer8any
microsoftwindows_7*any
microsoftwindows_server_2003*any
microsoftwindows_server_2008*any
microsoftwindows_server_2008*any
microsoftwindows_server_2008r2any
microsoftwindows_server_2008r2any
microsoftwindows_vista*any
microsoftwindows_vista*any
microsoftwindows_vista*any
microsoftwindows_xp*any
microsoftwindows_xp*any
microsoftwindows_xp*any

References 15

  • blogs.technet.com http://blogs.technet.com/msrc/archive/2010/01/14/security-advisory-979352.aspx
    Broken LinkVendor Advisory
  • news.cnet.com http://news.cnet.com/8301-27080_3-10435232-245.html
    Broken Link
  • osvdb.org http://osvdb.org/61697
    Broken Link
  • securitytracker.com http://securitytracker.com/id?1023462
    Broken LinkThird Party AdvisoryVDB Entry
  • support.microsoft.com http://support.microsoft.com/kb/979352
    PatchVendor Advisory
  • exploit-db.com http://www.exploit-db.com/exploits/11167
    ExploitThird Party AdvisoryVDB Entry
  • kb.cert.org http://www.kb.cert.org/vuls/id/492515
    Third Party AdvisoryUS Government Resource
  • microsoft.com http://www.microsoft.com/technet/security/advisory/979352.mspx
    Broken LinkPatchVendor Advisory
  • securityfocus.com http://www.securityfocus.com/bid/37815
    Broken LinkExploitThird Party AdvisoryVDB Entry
  • us-cert.gov http://www.us-cert.gov/cas/techalerts/TA10-055A.html
    Broken LinkThird Party AdvisoryUS Government Resource
  • vupen.com http://www.vupen.com/english/advisories/2010/0135
    Broken Link
  • docs.microsoft.com https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
    PatchVendor Advisory
  • exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/55642
    Third Party AdvisoryVDB Entry
  • oval.cisecurity.org https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6835
    Broken Link
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249
    US Government Resource

Remediation

  • support.microsoft.com http://support.microsoft.com/kb/979352
    PatchVendor Advisory
  • microsoft.com http://www.microsoft.com/technet/security/advisory/979352.mspx
    Broken LinkPatchVendor Advisory
  • docs.microsoft.com https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
    PatchVendor Advisory