01 Record
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
HighKEVPUBLISHEDCNA: microsoft
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-05-20. Federal remediation due 2026-06-03.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 91.93% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.8% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2010-01-15 17:00Z16 YR AGO
- Last updated
- 2026-05-21 03:55Z5 MO AGO
- Reserved
- 2010-01-07
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.2
- Document digest
- e2d6639548cbdd99bda72414a9f3c89eabdd84c6d3967b0b192b7b8e99ba763d
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.microsoft.comhttp://www.microsoft.com/technet/security/advisory/979352.mspx
- oval.cisecurity.orgoval:org.mitre.oval:def:6835https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6835
- osvdb.org61697http://osvdb.org/61697
- www.securityfocus.com37815http://www.securityfocus.com/bid/37815
- www.kb.cert.orgVU#492515http://www.kb.cert.org/vuls/id/492515
- www.exploit-db.com11167http://www.exploit-db.com/exploits/11167
- support.microsoft.com979352http://support.microsoft.com/kb/979352
- blogs.technet.comhttp://blogs.technet.com/msrc/archive/2010/01/14/security-advisory-979352.aspx
- exchange.xforce.ibmcloud.comie-freed-object-code-execution(55642)https://exchange.xforce.ibmcloud.com/vulnerabilities/55642
- www.us-cert.govTA10-055Ahttp://www.us-cert.gov/cas/techalerts/TA10-055A.html
- docs.microsoft.comMS10-002https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
- news.cnet.comhttp://news.cnet.com/8301-27080_3-10435232-245.html
- securitytracker.com1023462http://securitytracker.com/id?1023462
- www.vupen.comADV-2010-0135http://www.vupen.com/english/advisories/2010/0135
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249