CVE-2026-20573

Published Nov 2, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
In afe, there is a possible memory corruption due to double free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431412; Issue ID: MSV-9923.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt2737
Mediatek mt2737 Firmware
Mediatek mt6768
Mediatek mt6768 Firmware
Mediatek mt6781
Mediatek mt6781 Firmware
Mediatek mt6789
Mediatek mt6789 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6886
Mediatek mt6886 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6895
Mediatek mt6895 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6980d
Mediatek mt6980d Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8168
Mediatek mt8168 Firmware
Mediatek mt8186
Mediatek mt8186 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8195
Mediatek mt8195 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8365
Mediatek mt8365 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
CPEs cpe:2.3:h:mediatek:mt2735:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt2737:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6980d:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6988:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8168:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8189:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2735_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt2737_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6890_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6980d_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6988_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8168_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8186_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8189_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8195_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8365_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
Vendors & Products Mediatek mt2735
Mediatek mt2735 Firmware
Mediatek mt2737
Mediatek mt2737 Firmware
Mediatek mt6768
Mediatek mt6768 Firmware
Mediatek mt6781
Mediatek mt6781 Firmware
Mediatek mt6789
Mediatek mt6789 Firmware
Mediatek mt6853
Mediatek mt6853 Firmware
Mediatek mt6855
Mediatek mt6855 Firmware
Mediatek mt6877
Mediatek mt6877 Firmware
Mediatek mt6878
Mediatek mt6878 Firmware
Mediatek mt6885
Mediatek mt6885 Firmware
Mediatek mt6886
Mediatek mt6886 Firmware
Mediatek mt6890
Mediatek mt6890 Firmware
Mediatek mt6895
Mediatek mt6895 Firmware
Mediatek mt6897
Mediatek mt6897 Firmware
Mediatek mt6899
Mediatek mt6899 Firmware
Mediatek mt6980d
Mediatek mt6980d Firmware
Mediatek mt6985
Mediatek mt6985 Firmware
Mediatek mt6988
Mediatek mt6988 Firmware
Mediatek mt6989
Mediatek mt6989 Firmware
Mediatek mt6990
Mediatek mt6990 Firmware
Mediatek mt6991
Mediatek mt6991 Firmware
Mediatek mt6993
Mediatek mt6993 Firmware
Mediatek mt8168
Mediatek mt8168 Firmware
Mediatek mt8186
Mediatek mt8186 Firmware
Mediatek mt8188
Mediatek mt8188 Firmware
Mediatek mt8189
Mediatek mt8189 Firmware
Mediatek mt8195
Mediatek mt8195 Firmware
Mediatek mt8196
Mediatek mt8196 Firmware
Mediatek mt8365
Mediatek mt8365 Firmware
Mediatek mt8367
Mediatek mt8367 Firmware
Mediatek mt8390
Mediatek mt8390 Firmware
Mediatek mt8391
Mediatek mt8391 Firmware
Mediatek mt8668
Mediatek mt8668 Firmware
Mediatek mt8678
Mediatek mt8678 Firmware
Mediatek mt8793
Mediatek mt8793 Firmware
Type Values Removed Values Added
Title Double‑Free Memory Corruption in MediaTek Chipset Enables Local Privilege Escalation
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Vendors & Products Mediatek
Mediatek mediatek Chipset
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset
Type Values Removed Values Added
Title Double‑Free Memory Corruption in MediaTek Chipset Enables Local Privilege Escalation
Type Values Removed Values Added
Description In afe, there is a possible memory corruption due to double free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431412; Issue ID: MSV-9923.
Weaknesses CWE-415
References

Subscriptions

Mediatek Mediatek Chipset Mt2735 Mt2735 Firmware Mt2737 Mt2737 Firmware Mt6768 Mt6768 Firmware Mt6781 Mt6781 Firmware Mt6789 Mt6789 Firmware Mt6853 Mt6853 Firmware Mt6855 Mt6855 Firmware Mt6877 Mt6877 Firmware Mt6878 Mt6878 Firmware Mt6885 Mt6885 Firmware Mt6886 Mt6886 Firmware Mt6890 Mt6890 Firmware Mt6895 Mt6895 Firmware Mt6897 Mt6897 Firmware Mt6899 Mt6899 Firmware Mt6980d Mt6980d Firmware Mt6985 Mt6985 Firmware Mt6988 Mt6988 Firmware Mt6989 Mt6989 Firmware Mt6990 Mt6990 Firmware Mt6991 Mt6991 Firmware Mt6993 Mt6993 Firmware Mt8168 Mt8168 Firmware Mt8186 Mt8186 Firmware Mt8188 Mt8188 Firmware Mt8189 Mt8189 Firmware Mt8195 Mt8195 Firmware Mt8196 Mt8196 Firmware Mt8365 Mt8365 Firmware Mt8367 Mt8367 Firmware Mt8390 Mt8390 Firmware Mt8391 Mt8391 Firmware Mt8668 Mt8668 Firmware Mt8678 Mt8678 Firmware Mt8793 Mt8793 Firmware
Mediatek, Inc. Mediatek Chipset
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
Nov 3, 2026, 4:55 AM
Reserved
Nov 3, 2025, 1:30 AM
Status
Analyzed
Published
Nov 2, 2026, 3:17 AM
Modified
Nov 12, 2026, 4:49 PM