Type Vulnerability
Use after free in Windows Link Layer Topology Discovery Protocol allows an unauthorised attacker to execute code over an adjacent network.
Code execution
Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability
CVE-2026-88244
What this means
This is rated high severity (7.5 out of 10). There is no confirmed exploitation of it yet. Ask IT whether the affected products are in your estate.
Full vendor description
Use after free in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over an adjacent network.
Scoring and exploitation
7.5/ 10
CVSS 3.1 base scoreHigh
Exploitable from the same local network without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality, integrity and availability.
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorAdjacentAV:A
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- Not reported
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-416
References
1 link from the CVE record, grouped by site.
msrc.microsoft.com1 link