CVE-2017-8550: microsoft corporation skype for business Cross-site Scripting
CVSS: 5.4v3.0MediumModified
Published 15-06-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-8550 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in microsoft corporation skype for business. EPSS estimates a 22.43% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.0 (NVD)EPSS score
22.43%
0%100%
High · -9.90 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Timeline
- 15-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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".
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
22.43%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
-9.90 pp
From 32.34% on 21-09-2026
21-09-202621-10-2026
EPSS score22.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSkype for Business 2016 - Cross-Site Scripting
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- officeEOL2016
Microsoft corporation1 product
- skype for businessMicrosoft Office 2016 Click-to-Run (C2R)
2 vendors · 2 products
References
3 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8550X Refsource CONFIRMPatchVendor Advisory