SEPTEMBER 17, 2026
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Case File

CVE-2026-66307

HIGH · CVSS 7.5 EPSS 0.65%

Source: NVD + CISA KEV + EPSS · Published 2026-09-08 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

An integer underflow vulnerability in Skype for Business allows unauthorized attackers to exploit the application, potentially leading to a denial of service over the network. Organizations using Skype for Business should prioritize addressing this issue to prevent service disruptions and maintain operational integrity. Immediate action is recommended for those managing critical communication infrastructures.

CVE
CVE-2026-66307
Severity
HIGH
CVSS
7.5
EPSS
0.65%

Original NVD Description

Integer underflow (wrap or wraparound) in Skype for Business allows an unauthorized attacker to deny service over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-75624 HIGH CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH CVE-2026-87621 CRITICAL