CVE-2026-83657
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk12th percentile - higher than 12% of all known CVEs
Summary
Weak authentication in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.
Risk Assessment
An attacker could alter device configuration, potentially leading to system integrity compromise.
Recommendation
Strengthen authentication mechanisms in Windows MDM and apply security updates.
Other vulnerabilities in Windows Modern Device Management (MDM)
See all- CVE-2026-85833High
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
- CVE-2026-83656Medium
Missing authentication for critical function in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.
- CVE-2026-108396High
Time-of-check time-of-use (TOCTOU) race condition in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
- CVE-2026-73022High
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
- CVE-2026-73003High
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Weak authentication in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

