Medium severity · published Mar 5, 2019
CVE-2019-0540
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…
5.5
CVSS
12.8%
EPSS
No
On KEV
Description
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'.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.8% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2013 RT Service Pack 1; 2016 (32-bit edition); +4 more · source: vendor, NVD
ME
Microsoft Excel Viewer · Microsoft
All versions, or not specified · source: vendor
MO
Microsoft Office Compatibility Pack · Microsoft
Service Pack 3 · source: vendor
MP
Microsoft PowerPoint Viewer · Microsoft
All versions, or not specified · source: vendor
O3
Office 365 ProPlus · Microsoft
32-bit Systems; 64-bit Systems · source: vendor, NVD
EV
Excel Viewer · Microsoft
All versions, or not specified · source: NVD
PV
Powerpoint Viewer · Microsoft
All versions, or not specified · source: NVD
WV
Word Viewer · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-0540
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-0540
Third Party Advisory
http://www.securityfocus.com/bid/106863
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0540
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