A tampering vulnerability exists when Microsoft browsers do not properly validate input under specific conditions, aka 'Microsoft Browsers…

published 2019-04-09 7y ago modified 2026-06-17 4mo ago also EUVD-2019-1523

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.6%; EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known

A tampering vulnerability exists when Microsoft browsers do not properly validate input under specific conditions, aka 'Microsoft Browsers Tampering Vulnerability'.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0764 advisory

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Exploit prediction

3.64% chance of exploitation in the next 30 days, higher than 89% 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:N/I:H/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Microsoft Internet Explorer 9
Microsoft Internet Explorer 11
Microsoft Internet Explorer 10
Microsoft Microsoft Edge

Classification

Weakness

CWE-88 Improper Neutralization of Argument Delimiters in a Command

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-0764
patch, vendor-advisory
securityfocus.com /bid/107731
vdb-entry, third-party-advisory

Sources

CVE List CVE-2019-0764
NVD CVE-2019-0764

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