Skip to content
Fencer Intel
medium 5.3

CVE-2016-7281 json

The Web Workers implementation in Microsoft Internet Explorer 10 and 11 and Microsoft Edge allows remote attackers to bypass the Same Origi…

published 2016-12-20 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-8137

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.3%
EPSS 13.3% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

The Web Workers implementation in Microsoft Internet Explorer 10 and 11 and Microsoft Edge allows remote attackers to bypass the Same Origin Policy via unspecified vectors, aka "Microsoft Browser Security Feature Bypass Vulnerability."

Exploit prediction

13.31% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:N/I:P/A:N

Classification

Weakness

References

Sources

Fencer Intel 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.