Local privilege escalation
Published Apr 13, 2021 · Updated Aug 3, 2024
Elevation of privilege in Microsoft Windows Speech Runtime allows local users with low privileges to gain elevated privileges. Microsoft has not published the flawed function, object, or operation within the Speech Runtime that enables the elevation. Successful exploitation requires local low-privilege access and grants elevated control over the affected Windows system without user interaction.
Summary
What happened
Elevation of privilege in Microsoft Windows Speech Runtime allows local users with low privileges to gain elevated privileges. Microsoft has not published the flawed function, object, or operation within the Speech Runtime that enables the elevation. Successful exploitation requires local low-privilege access and grants elevated control over the affected Windows system without user interaction.
The record
- CVE
- CVE-2021-28436
- Published
- Apr 13, 2021
- Updated
- Aug 3, 2024
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 13, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.0 <publication
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo