Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
How do I protect myself from this vulnerablity?
Microsoft recommends installing the latest BRLTTY feature update to help protect systems from this vulnerability. Customers can download and install BRLTTY through Windows Accessibility settings by navigating to:
Settings → Accessibility → Narrator → Use Braille display → Download BRLTTY
Once installed, ensure the latest available update is applied to receive the security fix and associated protections.
Vulnerabilities 1
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High 7.8
Windows Narrator Braille Elevation of Privilege Vulnerability
Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-48565 Windows Narrator Braille Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48565
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss