CVEvulnerability

CVE-2010-0249

8.8 HIGH Known exploited Published 2010-01-15 Modified 2026-06-16 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Internet Explorer Use-After-Free Vulnerability — Microsoft Internet Explorer

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.

Added to KEV: 2026-05-20
Remediation due: 2026-06-03
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes: https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0249

Status: Analyzed
Published: 2010-01-15
Last modified: 2026-06-16
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
Weaknesses: CWE-416

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."

Affected configurations

• microsoft internet explorer 5.0.1 • microsoft internet explorer 6 • microsoft internet explorer 7.0 • microsoft internet explorer 8

Weakness · CWE (1)

CWE-416 Use After Free weakness

Referenced by CWE · observed example (1)

CWE-416 Use After Free weakness

References

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