Heap-Based Buffer Overflow in Windows TPM by Microsoft
CVE-2026-119382

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1607
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Vendor
CVE Published:
10 November 2026

What is CVE-2026-119382?

A heap-based buffer overflow vulnerability in Windows Trusted Platform Module (TPM) could allow an attacker with valid credentials to locally elevate their privileges. This security flaw highlights the importance of monitoring authorized access and ensuring appropriate security measures are in place to safeguard sensitive system functions.

Affected Version(s)

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.9688

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.9487

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7846

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.