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MEDIUM · 5.5

CVE-2026-59136

Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.

Vulnerability Description

Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9418
MicrosoftWindows 10 1809< 10.0.17763.9115
MicrosoftWindows 10 21H2< 10.0.19044.7663
MicrosoftWindows 10 22H2< 10.0.19045.7663
MicrosoftWindows 11 23H2< 10.0.22631.7517
MicrosoftWindows 11 24H2< 10.0.26100.9106
MicrosoftWindows 11 25H2< 10.0.26200.9106
MicrosoftWindows 11 26H1< 10.0.28000.2704
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.9418
MicrosoftWindows Server 2019< 10.0.17763.9115
MicrosoftWindows Server 2022< 10.0.20348.5440
MicrosoftWindows Server 2025< 10.0.26100.33222

Related Weaknesses (CWE)

CWE-908

References

FAQ

What is CVE-2026-59136?

CVE-2026-59136 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.

How severe is CVE-2026-59136?

CVE-2026-59136 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-59136?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 23H2.