CVE tracker / CVE-2026-32153
CVE-2026-32153
CVE-2026-32153 is the Windows Speech Runtime Elevation of Privilege Vulnerability. Microsoft rates it Important, CVSS 7.8. It is not in CISA's Known Exploited Vulnerabilities catalog. Published April 14, 2026.
Risk summary
HighElevation of Privilege
7.8
CVSS v3 base
0.2%
EPSS: chance of exploitation in 30 days
High
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV
Microsoft describes it: “Use after free in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.”
How to fix it
Microsoft lists 16 affected products and the update that fixes each:
- KB5082052 · fixed build 10.0.22631.6936
Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems - KB5082123 · fixed build 10.0.17763.8644
Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems - KB5082200 · fixed build 10.0.19045.7184, 10.0.19044.7184
Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 21H2 for ARM64-based Systems, and 1 more - KB5083768 · fixed build 10.0.28000.1836
Windows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems - KB5083769 · fixed build 10.0.26100.8246, 10.0.26200.8246
Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems
What Microsoft changed
- April 14, 2026: Information published.
- August 14, 2026: Acknowledgement Updated
Details
- Weakness
- CWE-416: Use After Free
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- April 14, 2026
- Last revised
- August 14, 2026
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.