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CVE-2014-1776 Microsoft CVE debrief

CVE-2014-1776 is a Microsoft Internet Explorer memory corruption vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2022-01-28. The KEV entry directs organizations to apply vendor updates, and CISA’s notes point to Microsoft security bulletin MS14-021 and the NVD record for additional reference. Because CISA lists it as known exploited, this should be treated as a high-priority patching item for any environment that still depends on Internet Explorer.

Vendor
Microsoft
Product
Internet Explorer
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-01-28
Original CVE updated
2022-01-28
Advisory published
2022-01-28
Advisory updated
2022-01-28

Who should care

Windows and endpoint administrators, vulnerability management teams, SOC/IR teams, and asset owners responsible for legacy systems where Internet Explorer is still present, enabled, or required by internal applications.

Technical summary

The supplied corpus identifies the issue as a memory corruption vulnerability in Microsoft Internet Explorer. CISA classifies CVE-2014-1776 as a Known Exploited Vulnerability and records the required action as applying vendor updates. The source data does not provide deeper exploit mechanics or a CVSS score, so defensive handling should focus on patching, asset inventory, and reducing reliance on Internet Explorer wherever possible.

Defensive priority

Urgent. CISA’s KEV listing means organizations should prioritize remediation immediately on any affected or legacy Internet Explorer deployments.

Recommended defensive actions

  • Apply Microsoft updates and follow the vendor guidance referenced by CISA (MS14-021).
  • Inventory where Internet Explorer is still installed, enabled, or required by business applications.
  • Remove or disable Internet Explorer where it is not needed, especially on legacy endpoints.
  • Verify patch deployment on all Windows assets that could still expose Internet Explorer components.
  • Track remediation status in vulnerability management workflows until the KEV item is closed.

Evidence notes

Evidence is limited to the supplied CISA KEV record and its metadata. The record names the issue as 'Microsoft Internet Explorer Memory Corruption Vulnerability,' identifies vendorProject Microsoft and product Internet Explorer, sets dateAdded to 2022-01-28 and dueDate to 2022-07-28, and states 'Apply updates per vendor instructions.' CISA’s notes also reference Microsoft bulletin MS14-021 and the NVD entry.

Official resources

CISA added CVE-2014-1776 to the Known Exploited Vulnerabilities catalog on 2022-01-28. The supplied corpus does not include an original vendor disclosure date, only the KEV record and reference links.