{"id":"CVE-2026-15418","state":"PUBLISHED","title":"CP210x Memory Leakage","description":"In the silabser.sys driver for CP210x devices v11.5.0 and earlier, a local unprivileged user with a malicious device can use malformed packets to leak up to 145 bytes of uninitialized kernel pool memory. This vulnerability affects Windows 10 and earlier.","publishedAt":"2026-09-10T17:15:04.886Z","updatedAt":"2026-09-10T18:21:20.938Z","severity":{"score":2.4,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"Silabs"},"assigner":"Silabs","products":["Silicon Labs silabser.sys driver"],"affected":[{"vendor":"Silicon Labs","product":"silabser.sys driver","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"11.5.0","versionType":"semver"}],"repo":"https://www.silabs.com/software-and-tools/usb-to-uart-bridge-vcp-drivers?tab=downloads"}],"references":["https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000100HA6IAM?operationContext=S1"],"weaknesses":["CWE-130"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/15xxx/CVE-2026-15418.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15418","state":"PUBLISHED","datePublished":"2026-09-10T17:15:04.886Z","dateUpdated":"2026-09-10T18:21:20.938Z","assignerShortName":"Silabs","assignerOrgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateReserved":"2026-07-10T14:57:34.331Z"},"containers":{"cna":{"title":"CP210x Memory Leakage","descriptions":[{"lang":"en","value":"In the silabser.sys driver for CP210x devices v11.5.0 and earlier, a local unprivileged user with a malicious device can use malformed packets to leak up to 145 bytes of uninitialized kernel pool memory. This vulnerability affects Windows 10 and earlier."}],"affected":[{"vendor":"Silicon Labs","product":"silabser.sys driver","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"11.5.0","versionType":"semver"}],"repo":"https://www.silabs.com/software-and-tools/usb-to-uart-bridge-vcp-drivers?tab=downloads"}],"references":[{"url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000100HA6IAM?operationContext=S1","tags":["vendor-advisory","permissions-required"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"PHYSICAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"LOW","baseScore":2.4,"vectorString":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-130","lang":"en","description":"CWE-130: Improper Handling of Length Parameter Inconsistency","type":"CWE"}]}],"providerMetadata":{"shortName":"Silabs","orgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateUpdated":"2026-09-10T17:15:04.886Z"},"impacts":[{"capecId":"CAPEC-116","descriptions":[{"lang":"en","value":"CAPEC-116: Excavation"}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T18:21:15.355138Z","id":"CVE-2026-15418","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-10T18:21:20.938Z"}}]}}}