CVSS 4.0
8.5 highCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVE-2026-77882 lenovo system update: Deserialization of Untrusted Data
High (8.5) in lenovo system update. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.
On this page
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.
Severity
CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- EPSS
- 0.2% estimated probability of exploitation activity in the next 30 days; 15th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-502 Deserialization of Untrusted Data
- OWASP Top 10
- A08:2025 Software or Data Integrity Failures
- Published
- Modified
- Assigned by
- lenovo (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- lenovo:system update
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Lenovo System Update | through 5.08.03.59 |
Attack patterns (CAPEC)
- CAPEC-586 Object Injection Likelihood: Medium · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.