CVE-2024-36877
CVE-2024-36877 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-123.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-36231
- Weakness: CWE-123
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-36877?
- 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 severe is CVE-2024-36877?
- CVE-2024-36877 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-36877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-36877?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-36877 have an EU (EUVD) identifier?
- Yes. CVE-2024-36877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36231.
- When was CVE-2024-36877 published?
- CVE-2024-36877 was published on 2024-08-12 and last updated on 2026-06-17.
References
Other CWE-123 vulnerabilities
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- CVE-2015-8271 — Critical (CVSS 9.8): The AMF3CD_AddProp function in amf.c in RTMPDump 2.4 allows remote RTMP Media servers to execute arbitrary code.
- CVE-2026-30121 — Critical (CVSS 9.1): remotion-dev remotion v4.0.409 was discovered to contain an arbitrary file write vulnerability.
- CVE-2026-43284 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb…