A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially cra…

published 2019-11-12 6y ago modified 2026-06-17 4mo ago also EUVD-2019-9999

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.2%; EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits: 0; none known

A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially crafted file, which could trick the victim into entering credentials, aka 'Microsoft Office Security Feature Bypass Vulnerability'.

Patch / fix

links 1

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1442 advisory

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Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/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 Microsoft SharePoint Server

Classification

Weakness

CWE-346 Origin Validation Error

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-1442
patch, vendor-advisory

Sources

CVE List CVE-2019-1442
NVD CVE-2019-1442

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