Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2010-3962

CVE-2010-3962HIGH

n/a n/a — Microsoft Internet Explorer

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  H  H  H    8.1   .9683   99.9   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Oct 14  Reserved by microsoft
  Nov 5   Published (CNA: microsoft)
  Oct 6   Added to CISA KEV, remediation due 2025-10-27

CWE-416 · CNA: microsoft · CVSS v3.1 · 15 references · KEV due October 27, 2025

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
October 14, 2010	Reserved	Reserved by microsoft
November 5, 2010	Published	Published (CNA: microsoft)
October 6, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-10-27

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-416

References (15)

http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-advisory-2458511.aspx [x_refsource_CONFIRM]
http://secunia.com/advisories/42091 [third-party-advisory, x_refsource_SECUNIA]
http://www.exploit-db.com/exploits/15418 [exploit, x_refsource_EXPLOIT-DB]
http://www.exploit-db.com/exploits/15421 [exploit, x_refsource_EXPLOIT-DB]
http://www.kb.cert.org/vuls/id/899748 [third-party-advisory, x_refsource_CERT-VN]
http://www.microsoft.com/technet/security/advisory/2458511.mspx [x_refsource_CONFIRM]
http://www.securityfocus.com/bid/44536 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id?1024676 [vdb-entry, x_refsource_SECTRACK]
http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks [x_refsource_MISC]
http://www.us-cert.gov/cas/techalerts/TA10-348A.html [third-party-advisory, x_refsource_CERT]
http://www.vupen.com/english/advisories/2010/2880 [vdb-entry, x_refsource_VUPEN]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-090 [vendor-advisory, x_refsource_MS]
https://exchange.xforce.ibmcloud.com/vulnerabilities/62962 [vdb-entry, x_refsource_XF]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12279 [vdb-entry, signature, x_refsource_OVAL]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3962 [government-resource]

Authoritative record: CVE-2010-3962 at cve.org

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2010-3962 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.