Known vulnerabilities in MT6991

Vendor: MediaTek
Software: MT6991
Software CPE: cpe:2.3:a:mediatek:mt6991:*:*:*:*:*:*:*:*
Website: https://www.mediatek.com/
Total vulnerabilities: 127
Public exploits: 0
Known exploited (KEV): 0
Highest CVSSv4 Score: 8.8

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting MT6991 MT6991 is affected by 127 known vulnerabilities: 4 high, 2 medium, 121 low Critical High Medium Low

Vulnerabilities (127)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU136045 - Improper Handling of Insufficient Permissions or Privileges
CVE-2026-20463		 CWE-280 Low
No
No
 - 01.07.2026 SB2026070128
#VU136043 - Out-of-bounds write
CVE-2026-20461		 CWE-787 Low
No
No
 - 01.07.2026 SB2026070128
#VU136042 - Authentication Bypass Using an Alternate Path or Channel
CVE-2026-20460		 CWE-288 Low
No
No
 - 01.07.2026 SB2026070128
#VU136041 - Authentication Bypass Using an Alternate Path or Channel
CVE-2026-20459		 CWE-288 Low
No
No
 - 01.07.2026 SB2026070128
#VU136040 - Out-of-bounds write
CVE-2026-20458		 CWE-787 Low
No
No
 - 01.07.2026 SB2026070128
#VU133130 - Out-of-bounds write
CVE-2026-20455		 CWE-787 Low
No
No
 - 01.06.2026 SB2026060153
#VU133129 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-20454		 CWE-367 Low
No
No
 - 01.06.2026 SB2026060153
#VU133128 - Out-of-bounds write
CVE-2026-20453		 CWE-787 Low
No
No
 - 01.06.2026 SB2026060153
#VU129563 - Type confusion
CVE-2026-20451		 CWE-843 Low
No
No
 - 04.05.2026 SB2026050486
#VU129562 - Reachable Assertion
CVE-2026-20450		 CWE-617 Low
No
No
 - 04.05.2026 SB2026050486
#VU129561 - Heap-based Buffer Overflow
CVE-2026-20449		 CWE-122 Low
No
No
 - 04.05.2026 SB2026050486
#VU129560 - Improper Handling of Insufficient Permissions or Privileges
CVE-2026-20448		 CWE-280 Low
No
No
 - 04.05.2026 SB2026050486
#VU129559 - Out-of-bounds read
CVE-2026-20447		 CWE-125 Low
No
No
 - 04.05.2026 SB2026050486
#VU125018 - Out-of-bounds write
CVE-2026-20433		 CWE-787 Low
No
No
 - 07.04.2026 SB2026040719
#VU125017 - Out-of-bounds write
CVE-2026-20432		 CWE-787 Low
No
No
 - 07.04.2026 SB2026040719
#VU125016 - Allocation of Resources Without Limits or Throttling
CVE-2026-20431		 CWE-770 Low
No
No
 - 07.04.2026 SB2026040719
#VU123464 - Out-of-bounds read
CVE-2026-20429		 CWE-125 Low
No
No
 - 03.03.2026 SB2026030335
#VU123465 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVE-2026-20445		 CWE-367 Low
No
No
 - 03.03.2026 SB2026030335
#VU123466 - Out-of-bounds write
CVE-2026-20416		 CWE-787 Low
No
No
 - 03.03.2026 SB2026030335
#VU123458 -
CVE-2026-20440		 Low
No
No
 - 03.03.2026 SB2026030335


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