CVE-2024-36877
HIGHDescription
Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 49% of all known CVEs.
References
Related Vulnerabilities
Other CWE-123 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2026-43284 | High | 7.8 | 93% | - | Fix |
| CVE-2026-43500 | High | 7.8 | 93% | - | Fix |
| CVE-2026-46300 | High | 7.8 | 7.0% | - | Fix |
| CVE-2015-8271 | Critical | 9.8 | 5.9% | - | Fix |
| CVE-2017-10994 | High | 7.3 | 4.9% | - | - |
| CVE-2025-55298 | High | 7.5 | 4.4% | - | Fix |
Common questions
How do I fix CVE-2024-36877?
No published fix for CVE-2024-36877 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2024-36877 being actively exploited?
Not that we know of. CVE-2024-36877 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.68% is the estimated probability that it will be exploited in the next 30 days. That is higher than 49% of all scored CVEs.
How severe is CVE-2024-36877?
CVE-2024-36877 has a CVSS v3 base score of 8.2, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-13.