CVE-2026-20573
In afe, there is a possible memory corruption due to double free. This could lead to local...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-20573- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-03
EUVDEUVD-2026-115038
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.
- Record
EUVD-2026-115038- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w57x-82vr-w96m
In afe, there is a possible memory corruption due to double free. This could lead to local...
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.
- Record
GHSA-w57x-82vr-w96m- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-20573- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-12
Affected products
- mediatek mt2735 firmware
- mediatek mt2737 firmware
- mediatek mt6768 firmware
- mediatek mt6781 firmware
- mediatek mt6789 firmware
- mediatek mt6853 firmware
- mediatek mt6855 firmware
- mediatek mt6877 firmware
- mediatek mt6878 firmware
- mediatek mt6885 firmware
- mediatek mt6886 firmware
- mediatek mt6890 firmware
Show 24 moreShow less
- mediatek mt6895 firmware
- mediatek mt6897 firmware
- mediatek mt6899 firmware
- mediatek mt6980d firmware
- mediatek mt6985 firmware
- mediatek mt6988 firmware
- mediatek mt6989 firmware
- mediatek mt6990 firmware
- mediatek mt6991 firmware
- mediatek mt6993 firmware
- mediatek mt8168 firmware
- mediatek mt8186 firmware
- mediatek mt8188 firmware
- mediatek mt8189 firmware
- mediatek mt8195 firmware
- mediatek mt8196 firmware
- mediatek mt8365 firmware
- mediatek mt8367 firmware
- mediatek mt8390 firmware
- mediatek mt8391 firmware
- mediatek mt8668 firmware
- mediatek mt8678 firmware
- mediatek mt8793 firmware
- mediatek, inc. mediatek chipset
History
| Recorded | Changed | Sources |
|---|---|---|
| facts, products, references | CVE List, EUVD, NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-20573 is a medium vulnerability (CVSS 6.7) in Mediatek Mt2735 Firmware, published November 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. No source names a fixed version.