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CVE-2026-42968

Windows Telephony Server Information Disclosure Vulnerability

Published: Jun 9, 2026Updated: Jun 11, 2026 Sources: CVE List NVD
5.5CVSS
MEDIUM

Out-of-bounds read in Windows Telephony Service allows an authorized attacker to disclose information locally.

EPSS Score
0.1%
Top 83.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:NA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None

Weaknesses

Affected Products

Windows 10 Version 1607
Microsoft
Operating Systems / windows
Windows 10 Version 1809
Microsoft
Operating Systems / windows
Windows 10 Version 21H2
Microsoft
Operating Systems / windows
Windows 10 Version 22H2
Microsoft
Operating Systems / windows
Windows 11 version 23H2
Microsoft
Operating Systems / windows
and 28 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

Timeline

Published
Jun 9, 2026
Last Updated
Jun 11, 2026
3

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