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".
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
- EPSS
- 22.43% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 12 July 2017
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- microsoft/office
- Source
- secure@microsoft.com
EPSS moved from 32.3% on 21 September 2026 to 22.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/98916Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8550Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42316/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/98916Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8550Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42316/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.