Local Privilege Escalation in Microsoft Windows Speech by Microsoft
CVE-2026-32153

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows 10 Version 1809
Windows 10 Version 21h2
Windows 10 Version 22h2
Windows 11 Version 22h3
Vendor
CVE Published:
14 April 2026

What is CVE-2026-32153?

A use after free vulnerability in the Microsoft Windows Speech Runtime allows an authorized attacker to potentially elevate privileges on affected systems. This can be exploited to perform unauthorized actions with higher permissions, thereby compromising the security of the system. Users are advised to apply the latest updates to mitigate risks associated with this vulnerability.

Affected Version(s)

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.8644

Windows 10 Version 21H2 32-bit Systems 10.0.19044.0 < 10.0.19044.7184

Windows 10 Version 22H2 32-bit Systems 10.0.19045.0 < 10.0.19045.7184

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

.