CVE-2026-83907
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk41th percentile - higher than 41% of all known CVEs
Summary
Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.
Risk Assessment
A locally authenticated attacker could access sensitive data related to Windows Hello, potentially weakening authentication mechanisms.
Recommendation
Promptly apply patches for Windows Hello and review the organization's authentication configuration.
Other vulnerabilities in Windows Hello
See all- CVE-2026-83926Medium
Improper certificate validation in Windows Hello allows an authorized attacker to bypass a security feature locally.
- CVE-2026-83853High
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
- CVE-2026-83849Medium
Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
- CVE-2026-83790High
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
- CVE-2026-83740High
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
- CVE-2026-70280Medium
Incorrect authorization in Windows Hello allows an authorized attacker to bypass a security feature locally.
- CVE-2026-81354High
Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
- CVE-2026-72980Medium
An uncontrolled search path element in Windows Hello allows an authorized attacker to bypass a security feature locally.
- CVE-2026-69864High
A use-after-free vulnerability in Windows Hello allows an authorized attacker to elevate privileges locally.
- CVE-2026-69820High
Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

