CVE-2010-0249Use-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 2…
Updated under an hour ago ()
Does this affect you?
It affects microsoft internet_explorer. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 20, 2026; federal agencies had to remediate by Jun 3, 2026. Treat that date as your deadline.
Do this next
Free account, 1 product
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
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Added to CISA KEV May 20, 2026; federal remediation due Jun 3, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 91.94% (percentile 100)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- May 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
microsoft internet_explorer microsoft:internet_explorer | 5.0.1; 6; 6; 7.0; 8 | NVD |
References
- http://www.microsoft.com/technet/security/advisory/979352.mspxx-refsource-confirm, broken-link, patch, vendor-advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6835vdb-entry, signature, x-refsource-oval, broken-link
- http://osvdb.org/61697vdb-entry, x-refsource-osvdb, broken-link
- http://www.securityfocus.com/bid/37815vdb-entry, x-refsource-bid, broken-link, exploit, third-party-advisory
- http://www.kb.cert.org/vuls/id/492515third-party-advisory, x-refsource-cert-vn, us-government-resource
- http://www.exploit-db.com/exploits/11167exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://support.microsoft.com/kb/979352vendor-advisory, x-refsource-mskb, patch
- http://blogs.technet.com/msrc/archive/2010/01/14/security-advisory-979352.aspxx-refsource-confirm, broken-link, vendor-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55642vdb-entry, x-refsource-xf, third-party-advisory
- http://www.us-cert.gov/cas/techalerts/TA10-055A.htmlthird-party-advisory, x-refsource-cert, broken-link, us-government-resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002vendor-advisory, x-refsource-ms, patch
- http://news.cnet.com/8301-27080_3-10435232-245.htmlx-refsource-misc, broken-link
- http://securitytracker.com/id?1023462vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- http://www.vupen.com/english/advisories/2010/0135vdb-entry, x-refsource-vupen, broken-link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.