Type Vulnerability
Exposure of sensitive system information to an unauthorised control sphere in Windows Overlay Filter allows an authorised attacker to disclose information locally.
Windows Overlay Filter Information Disclosure Vulnerability
CVE-2026-108409
What this means
This is rated medium severity (5.5 out of 10). There is no confirmed exploitation of it yet.
Full vendor description
Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.
Scoring and exploitation
5.5/ 10
CVSS 3.1 base scoreMedium
Exploitable only with local access and a low-privilege account, and no one has to click or open anything. High impact on confidentiality.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability
Longer bar: easier to attack
Attack vectorLocalAV:L
Attack complexityLowAC:L
Privileges requiredLowPR:L
User interactionNoneUI:N
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityNoneI:N
AvailabilityNoneA:N
- Not reported
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-497
References
1 link from the CVE record, grouped by site.
msrc.microsoft.com1 link