{"affected":[{"defaultStatus":"unaffected","product":"System Update","source":"CNA: lenovo","vendor":"Lenovo","versions":[{"lessThanOrEqual":"5.08.03.59","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-77882","cwes":["CWE-502"],"description":"A deserialization of untrusted data vulnerability was discovered in Lenovo System Update that could allow a local authenticated user to execute code with elevated privileges.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.5,"severity":"high","source":"CNA: lenovo","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":7.8,"severity":"high","source":"CNA: lenovo","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.5,"severity":"high","source":"NVD: psirt@lenovo.com","vector":"CVSS:4.0/AV:L/AC:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.8,"severity":"high","source":"NVD: psirt@lenovo.com","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794417440130,"publishedAt":1794413743172,"references":[{"source":"CNA: lenovo","tags":["vendor-advisory"],"url":"https://support.lenovo.com/us/en/product_security/LEN-232748"},{"source":"CNA: lenovo","tags":["product"],"url":"https://support.lenovo.com/us/en/downloads/ds012808"},{"source":"psirt@lenovo.com","tags":[],"url":"https://support.lenovo.com/us/en/downloads/ds012808"},{"source":"psirt@lenovo.com","tags":[],"url":"https://support.lenovo.com/us/en/product_security/LEN-232748"}],"remediation":[{"kind":"fix","source":"CNA: lenovo","text":"As of October 31, 2026, Lenovo System Update has reached end of support status, and no further updates will be released to address these vulnerabilities.  Lenovo recommends that users uninstall Lenovo System Update as soon as possible and migrate to Lenovo Commercial Vantage ( Lenovo Commercial Vantage - Lenovo Support US https://support.lenovo.com/us/en/solutions/hf003321 )."}],"revision":"9c8cd42aa237b4d1bcd77d50193adfc0fddc99da62a601673554af7b7cf71b2b","sources":[{"modifiedAt":1794413743172,"name":"CNA: lenovo","retrievedAt":1794416931333,"url":"https://www.cve.org/CVERecord?id=CVE-2026-77882"},{"modifiedAt":1794417440130,"name":"NVD","retrievedAt":1794421063032,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77882"}],"ssvc":null,"status":"published","title":"CVE-2026-77882","updatedAt":1794421063032}