CVE-2010-3962
Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability.
- Added
- 6 Oct 2025
- Fix due (US federal)
- 27 Oct 2025
- Used by ransomware
- Not known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 96.8% · top 0.1% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
Affected products
n/a
- affected n/a
References (15)
- 44536 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- TA10-348A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS10-090 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- VU#899748 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 42091 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2010-2880 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.microsoft.com/technet/security/advisory/2458511.mspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1024676 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 15421 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks (opens in a new tab)x_refsource_MISCx_transferred
- ms-ie-flag-code-execution(62962) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:12279 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 15418 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962 (opens in a new tab)government-resource
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)
- CISA KEV catalog (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-2010-3962)Record last updated .