Skip to content
CVE Tracker
Back

CVE-2016-3321

Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which…

Low2.5EPSS 36.1%
Published
Updated
Reserved
Assigned by
microsoft

Description

Microsoft Internet Explorer 10 and 11 load different files for attempts to open a file:// URL depending on whether the file exists, which allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe, aka "Internet Explorer Information Disclosure Vulnerability."

Scores

CVSS scores of CVE-2016-3321, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Low2.5CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS (exploitation in 30 days)
36.1% · top 1.5% of all CVEs (3 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.5.

Weakness

Affected products

  • n/a

    • affected n/a

References (6)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2016-3321 badge
[![CVE-2016-3321](https://trackcve.app/badge/CVE-2016-3321.svg)](https://trackcve.app/cve/CVE-2016-3321)

Record last updated .