CVE-2014-1776
Exploitation confirmed. First attested on 2022-01-28 by CISA-ADP, CISA KEV, GCVE · kevintel.
- Published2014-04-27
- WeaknessCWE-416
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to the CMarkup::IsConnectedToPrimaryMarkup function, as exploited in the wild in April 2014. NOTE: this issue originally emphasized VGX.DLL, but Microsoft clarified that "VGX.DLL does not contain the vulnerable code leveraged in this exploit. Disabling VGX.DLL is an exploit-specific workaround that provides an immediate, effective workaround to help block known attacks."
Timeline
dates in UTCObserved activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2014-1776?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2014-1776?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 6.x | = 6 | no fix published | NVD |
| 7.x | = 7 | no fix published | NVD |
| 8.x | = 8 | no fix published | NVD |
| 9.x | = 9 | no fix published | NVD |
| 10.x | = 10 | no fix published | NVD |
| 11.x | = 11 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- CISA’s required action: Apply updates per vendor instructions.due 2022-07-28
Advisories and patches
- blogs.technet.comMitigation
- www.kb.cert.orgMitigation
- docs.microsoft.comPatch · Vendor Advisory
- technet.microsoft.comMitigation · Patch · Vendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
CISA Known Exploited Vulnerability
- Date Added
- 2022-01-28
- Patch Due Date
- 2022-07-28
- Ransomware Use
- Unknown
- Required Action
- Apply updates per vendor instructions.
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2014-04-27
- Last Modified
- 2026-06-17
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2014-1776?
Is CVE-2014-1776 actively exploited?
What is the CVSS score for CVE-2014-1776?
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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.