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CVE-2016-7200 Microsoft CVE debrief

CVE-2016-7200 is a Microsoft Edge memory corruption vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. The presence of this CVE in KEV means defenders should treat it as actively exploited or at least confirmed to have been exploited in the wild. CISA’s required action is to apply updates per vendor instructions, with a due date of 2022-04-18 in the supplied timeline. Public details in the supplied corpus are limited, so the safest response is rapid patching and inventory validation rather than deeper exposure assumptions.

Vendor
Microsoft
Product
Edge
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-28
Original CVE updated
2022-03-28
Advisory published
2022-03-28
Advisory updated
2022-03-28

Who should care

Security and IT teams managing Microsoft Edge on enterprise endpoints, especially environments with centralized browser deployment, internet-facing users, and organizations that prioritize KEV remediation. Endpoint defenders and patch management teams should also pay attention because CISA has flagged this issue as known exploited.

Technical summary

The supplied sources identify the issue as a Microsoft Edge memory corruption vulnerability. Beyond that classification, the corpus does not provide a deeper root-cause description, affected-version breakdown, or exploitation chain. The key defensive signal is that CISA included it in the Known Exploited Vulnerabilities catalog and assigned a remediation due date, indicating the vulnerability should be prioritized for patching and verification.

Defensive priority

High. Because this CVE appears in CISA’s KEV catalog, remediation should be treated as urgent and scheduled ahead of routine patch cycles. The supplied timeline lists a due date of 2022-04-18, so the appropriate response is immediate inventory, update deployment, and confirmation that the vendor-recommended fix is in place.

Recommended defensive actions

  • Apply the Microsoft Edge updates referenced by vendor instructions as soon as possible.
  • Confirm which endpoints and managed browsers are using affected Edge builds and verify remediation status.
  • Prioritize exposed or high-risk user systems first, including devices used for web browsing and daily internet access.
  • Use patch management reporting to confirm the update was successfully installed across the fleet.
  • Recheck compliance after deployment and continue monitoring the CISA KEV catalog for related browser issues.

Evidence notes

CISA’s Known Exploited Vulnerabilities entry names this issue "Microsoft Edge Memory Corruption Vulnerability" and lists dateAdded as 2022-03-28, dueDate as 2022-04-18, requiredAction as "Apply updates per vendor instructions," and knownRansomwareCampaignUse as "Unknown." The provided CVE/CVSS metadata and linked NVD/CVE records corroborate the identifier, but the supplied corpus does not include additional technical detail, exploit method, or affected-version specifics.

Official resources

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2022-03-28 and set a remediation due date of 2022-04-18. The supplied corpus does not include public exploit details, only the KEV designation and vendor-update guidance.