CVE-2010-3962
Confirmed PUBLISHEDUse-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to...
5688 days faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Nov 05, 2010
- Exploitation Reported
- Nov 05, 2010
- CVSS
- 8.1 High
- EPSS
- 96.9%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS10-090 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- TA10-348A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA10-348A.html
- VU#899748 kb.cert.org · Third-Party Advisory http://www.kb.cert.org/vuls/id/899748
- 42091 secunia.com · Third-Party Advisory http://secunia.com/advisories/42091
- 15421 exploit-db.com · Exploit http://www.exploit-db.com/exploits/15421
Show 9 more references
- 15418 exploit-db.com · Exploit http://www.exploit-db.com/exploits/15418
- 44536 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/44536
- ADV-2010-2880 vupen.com · VDB Entry http://www.vupen.com/english/advisories/2010/2880
- 1024676 securitytracker.com · VDB Entry http://www.securitytracker.com/id?1024676
- ms-ie-flag-code-execution(62962) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/62962
- oval:org.mitre.oval:def:12279 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
- microsoft.com/technet/security/advisory/2458511.mspx microsoft.com · CVE Record http://www.microsoft.com/technet/security/advisory/2458511.mspx
- symantec.com/connect/blogs/new-ie-0-day-used-targeted-att... symantec.com · CVE Record http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks
- blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases... blogs.technet.com · CVE Record http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2010-11-05 16:28 UTC |
| CISA | 2026-06-02 14:05 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms10_090_ie_css_clip.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2010-11-05 16:28:00 UTC · CVE
Proof of concept available
Recorded 2025-04-28 15:02:41 UTC
Weaknesses (CWE)
-
Use After Free
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ms10_090_ie_css_clip.rb | Apr 28, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:05 UTC about 1 month ago14:05 UTC · about 1 month ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Public PoC available
Public proof-of-concept code published
-
16:28 UTC over 15 years ago16:28 UTC · over 15 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
16:28 UTC over 15 years ago16:28 UTC · over 15 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 16 years ago00:00 UTC · almost 16 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2010-3962
{
"cve_id": "CVE-2010-3962",
"title": "Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allow...",
"affected_vendor": "Microsoft",
"affected_product": "Internet Explorer",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.1,
"epss_score": 0.96889,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}