Medium severity · published Sep 7, 2026
CVE-2026-20515
In gpu, there is a possible system crash due to use after free
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
In gpu, there is a possible system crash due to use after free. This could lead to local information disclosure with User execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11122991; Issue ID: MSV-8132.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MediaTek chipset · MediaTek, Inc.
MT6991; MT8799 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20515
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20515
www.mediatek.com
https://www.mediatek.com/product-security-bulletin/September-2026
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