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Fencer Vulns
medium 4.2

CVE-2017-0066 json

Microsoft Edge allows remote attackers to bypass the Same Origin Policy for HTML elements in other browser windows, aka "Microsoft Edge Sec…

published 2017-03-17 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-0433

cvss
4.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
26.5%
EPSS 26.5% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Microsoft Edge allows remote attackers to bypass the Same Origin Policy for HTML elements in other browser windows, aka "Microsoft Edge Security Feature Bypass Vulnerability." This vulnerability is different from those described in CVE-2017-0135 and CVE-2017-0140.

Patch / fix

Exploit prediction

26.54% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.2 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 2.0 4.0 AV:N/AC:H/Au:N/C:P/I:P/A:N

Affected products

  • Microsoft Corporation Edge

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.