CVE-2026-47235 SimulationCraft - Buffer Overflow

SimulationCraft builds after release-820-01 and before simc-1205-01-516b5d7 contain a buffer overflow caused by improper bounds checking on the JSON sockets array in bcp_api.cpp, letting attackers with privileged network position execute arbitrary code via crafted .simc profiles or modified Battle.net API responses, exploit requires attacker to control input data.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-122

Vendor fix

Update to nightly build simc-1205-01-516b5d7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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