CVE-2026-83849
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
Risk Assessment
An authorized attacker could access sensitive data, potentially leading to information disclosure.
Recommendation
Apply the latest Windows security updates.
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-2026-83907Medium
Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.
- CVE-2026-83853High
Use after free in Windows Hello allows an authorized attacker to elevate privileges 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)
Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS