CVE-2010-0249
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."
Key facts
- CVSS score
- 8.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-416
- EPSS score
- 91.9% (100th percentile)
- In CISA KEV
- Yes, added May 20, 2026
- In EU EUVD
- Yes (EUVD-2010-0280)
- Published
- January 15, 2010
- NVD last modified
- June 16, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Microsoft Internet Explorer Use-After-Free Vulnerability
Added to the KEV catalog on May 20, 2026; federal remediation due June 3, 2026.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-0280 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on May 21, 2026.
View on the EU Vulnerability DatabaseAffected products
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / windows 2000
- microsoft / windows 7
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows vista
- microsoft / windows vista
- microsoft / windows vista
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
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)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249(US Government Resource)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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