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CVE-2010-0491
Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by…
High9.3EPSS 29.3%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, and 6 SP1 allows remote attackers to execute arbitrary code by changing unspecified properties of an HTML object that has an onreadystatechange event handler, aka "HTML Object Memory Corruption Vulnerability."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 29.3% · top 1.8% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (8)
- oval:org.mitre.oval:def:8421 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 39027 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- TA10-089A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- TA10-068A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS10-018 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 20100330 Microsoft Internet Explorer 'onreadystatechange' Use After Free Vulnerability (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- ADV-2010-0744 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 1023773 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2010-0491)Record last updated .