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Case File

CVE-2020-9991

HIGH · CVSS 7.5 EPSS 2.79%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Windows. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2020-9991
Severity
HIGH
CVSS
7.5
EPSS
2.79%
Windows

Original NVD Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)