An information disclosure vulnerability exists when affected Microsoft browsers improperly allow cross-frame interaction, aka "Microsoft Br…

published 2018-08-15 8y ago modified 2026-06-17 4mo ago also EUVD-2018-20002

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.4%; EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

An information disclosure vulnerability exists when affected Microsoft browsers improperly allow cross-frame interaction, aka "Microsoft Browser Information Disclosure Vulnerability." This affects Internet Explorer 11, Microsoft Edge, Internet Explorer 10.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8351 advisory

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Exploit prediction

8.39% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

Microsoft Internet Explorer 11
Microsoft Microsoft Edge
Microsoft Internet Explorer 10

Classification

Weakness

CWE-829 Inclusion of Functionality from Untrusted Control Sphere

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2018-8351
patch, vendor-advisory
securitytracker.com /id/1041457
vdb-entry, third-party-advisory
securityfocus.com /bid/105015
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-8351
NVD CVE-2018-8351

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