MEDIUM
CVE-2026-1636
CWE-427Published: April 15, 2026· Updated: Apr 17, 2026
6.7
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.3th
Official Description
A potential DLL hijacking vulnerability was reported in Lenovo Service Bridge that, under certain conditions, could allow a local authenticated user to execute code with elevated privileges.
Technical Analysis
CVE-2026-1636 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
Mentioned vendors (from description):
Lenovo
CPE data not yet available in NVD for this CVE.
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (1)
Quick Facts
CVE IDCVE-2026-1636
CVSS Score6.7 / 10
SeverityMEDIUM
WeaknessCWE-427
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 15, 2026
Related CVEs (CWE-427)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-1636 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.