Medium severity · published Sep 7, 2026
CVE-2026-20516
In MiracastService, there is a possible escalation of privilege due to a confused deputy
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
In MiracastService, there is a possible escalation of privilege due to a confused deputy. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11060069 / DTV04881615; Issue ID: MSV-7882.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT5586; MT5836; MT5838; MT5867; MT9011; MT9012; +33 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20516
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20516
www.mediatek.com
https://www.mediatek.com/product-security-bulletin/September-2026
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