XSS in Microsoft Office
CVE-2017-8550
A remote code execution vulnerability exists in Skype for Business when the software fails to sanitize specially crafted content, aka "Skype for Business Remote Code Execution Vulnerability".
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.224 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Microsoft Office — versions 2016
- Microsoft Corporation Skype For Business — versions Microsoft Office 2016 Click-to-Run (C2R)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-8550?
- CVE-2017-8550 is a medium-severity vulnerability in Microsoft Office, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-06-15.
- How severe is CVE-2017-8550?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2017-8550 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.