CVE-2016-3298: Microsoft Internet Explorer Messaging API Information Disclosure Vulnerability
Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-43d41ac4f58b, updated 2026-11-02T23:39:54.475Z.
CISA Known Exploited Vulnerabilities
- Name
- Microsoft Internet Explorer Messaging API Information Disclosure Vulnerability
- Vendor
- Microsoft
- Product
- Internet Explorer
- Added to the catalog
- 2022-05-24
- Due date for US federal agencies
- 2022-06-14
- Weaknesses
- CWE-200
- Catalog version
- 2026.10.30
An information disclosure vulnerability exists when the Microsoft Internet Messaging API improperly handles objects in memory. An attacker who successfully exploited this vulnerability could allow the attacker to test for the presence of files on disk.
Required action (CISA)
Apply updates per vendor instructions.
Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.
Links in CISA's notes
Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
NVD analysis
- Status
- Analyzed
- Published
- 2016-10-14T02:59:13.893
- Last modified
- 2026-06-17T00:45:27.033
- Weaknesses
- NVD-CWE-noinfo
Microsoft Internet Explorer 9 through 11 and the Internet Messaging API in Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow remote attackers to determine the existence of arbitrary files via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability."
| Metric | Score | Severity | Vector | Scored by |
|---|---|---|---|---|
| CVSS 3.1 | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | [email protected] (Primary) |
| CVSS 3.1 | 6.5 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 2.0 | 2.6 | LOW | AV:N/AC:H/Au:N/C:P/I:N/A:N | [email protected] (Primary) |
References
- http://www.securityfocus.com/bid/93392 (Broken Link, Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1036992 (Broken Link, Third Party Advisory, VDB Entry)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118 (Patch, Vendor Advisory)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-126 (Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/93392 (Broken Link, Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1036992 (Broken Link, Third Party Advisory, VDB Entry)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118 (Patch, Vendor Advisory)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-126 (Patch, Vendor Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3298 (US Government Resource)
This product uses the NVD API but is not endorsed or certified by the NVD.
Read on 2026-11-02T23:41:35.381Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2016-3298
CVE record
- Assigner
- microsoft
- State
- PUBLISHED
- Published
- 2016-10-14T01:00:00.000Z
- Updated
- 2025-10-21T23:55:49.581Z
- Problem types
- n/a
Microsoft Internet Explorer 9 through 11 and the Internet Messaging API in Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow remote attackers to determine the existence of arbitrary files via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability."
References
Read on 2026-11-03T00:33:36.680Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2016/3xxx/CVE-2016-3298.json
Sources and licences
CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Cite this page
Dragons Eye Ransomware Tracker, "CVE-2016-3298: Microsoft Internet Explorer Messaging API Information Disclosure Vulnerability",
entity page, dataset version ref-43d41ac4f58b, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2016-3298 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T00:45:27.033.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-21T23:55:49.581Z.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.