CVE-2014-1770

critical
Published 2014-05-22 · Modified 2026-05-06
CVSS v3
CVSS v2
9.3
VIR risk
9.3

Description

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript code that interacts improperly with a CollectGarbage function call on a CMarkup object allocated by the CMarkup::CreateInitialMarkup function.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: secure@microsoft.com — http://zerodayinitiative.com/advisories/ZDI-14-140/

Application impact

VendorProductVersionsFixed
windows microsoftinternet_explorer6
windows microsoftinternet_explorer7
windows microsoftinternet_explorer8
windows microsoftinternet_explorer9
windows microsoftinternet_explorer10
windows microsoftinternet_explorer11

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.