CVE-2010-0249
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.
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- blogs.technet.com/msrc/archive/2010/01/14/security-advisory-979352.aspxBroken LinkVendor Advisory
- news.cnet.com/8301-27080_3-10435232-245.htmlBroken Link
- osvdb.org/61697Broken Link
- securitytracker.com/id?1023462Broken LinkThird Party Advisory
- support.microsoft.com/kb/979352PatchVendor Advisory
- exploit-db.com/exploits/11167ExploitThird Party Advisory
- kb.cert.org/vuls/id/492515Third Party AdvisoryUS Government Resource
- microsoft.com/technet/security/advisory/979352.mspxBroken LinkPatch
- securityfocus.com/bid/37815Broken LinkExploit
- us-cert.gov/cas/techalerts/TA10-055A.htmlBroken LinkThird Party Advisory
- vupen.com/english/advisories/2010/0135Broken Link
- docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002PatchVendor Advisory
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 146 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 91.9% · top 1% of all CVEs
- Weakness
- CWE-416
- Attack vector
- Network, remotely reachable
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.