CVE-2026-66302 | BDVDB-2026-369154 Detail

MicrosoftSkype for Business Server 2015 CU13

Description#

External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

No public exploit known

9.8 Critical

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 62.4.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).