{"id":"CVE-2026-43598","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-43598","generatedAt":"2026-10-28T00:53:06.341Z","title":"Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.","description":"Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.","published":"2026-10-06T21:17:21.000Z","lastModified":"2026-10-07T16:17:48.000Z","status":"Awaiting Analysis","sourceIdentifier":"psirt@amd.com","cvss":{"version":"4.0","score":7.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-822"],"affected":[],"epss":{"score":0.0031,"percentile":0.23673,"date":"2026-10-26","history":[{"date":"2026-10-07","score":0.00458,"percentile":0.37702}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-06T21:17:21.000Z","detail":{"score":"7.7","severity":"HIGH","publishedAt":"2026-10-06T21:17:20.680Z"},"summary":"New CVE, high severity (CVSS 7.7)."}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html","source":"psirt@amd.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43598","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}