Read the docs
TI-2024-24430 Aliases CVE-2024-36877GHSA-7j43-4jvq-vg4w

Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series…

Priority HIGH 71CWE-123Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00682 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE names CISA-ADP · 7

CPEVersionsRoleVendor
cpe:2.3:o:msi:intel_300:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:intel_400:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:intel_500:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:intel_600:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:intel_700:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:am4:*:*:*:*:*:*:*:*——MSI
cpe:2.3:o:msi:am5:*:*:*:*:*:*:*:*——MSI
  • cpe:2.3:o:msi:intel_300:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:intel_400:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:intel_500:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:intel_600:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:intel_700:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:am4:*:*:*:*:*:*:*:* Versions — — ·MSI
  • cpe:2.3:o:msi:am5:*:*:*:*:*:*:*:* Versions — — ·MSI

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-36877
  2. 2026-10-03 Alias added: GHSA-7j43-4jvq-vg4w

References

Sources