Microsoft App Installer up to 1.30.79 Package Manager improper authorization

Summaryinfo

A vulnerability has been found in Microsoft App Installer up to 1.30.79 and classified as problematic. The affected element is an unknown function of the component Package Manager. This manipulation causes improper authorization. This vulnerability is tracked as CVE-2026-68821. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Microsoft App Installer up to 1.30.79 and classified as problematic. Affected by this vulnerability is an unknown part of the component Package Manager. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity. The summary by CVE is:

Improper privilege management in Windows Package Manager allows an authorized attacker to elevate privileges locally.

It is possible to read the advisory at msrc.microsoft.com. This vulnerability is known as CVE-2026-68821 since 07/31/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/12/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading to version 1.30.80 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Microsoft

Name

• App Installer

Version

• 1.30.0
• 1.30.1
• 1.30.2
• 1.30.3
• 1.30.4
• 1.30.5
• 1.30.6
• 1.30.7
• 1.30.8
• 1.30.9
• 1.30.10
• 1.30.11
• 1.30.12
• 1.30.13
• 1.30.14
• 1.30.15
• 1.30.16
• 1.30.17
• 1.30.18
• 1.30.19
• 1.30.20
• 1.30.21
• 1.30.22
• 1.30.23
• 1.30.24
• 1.30.25
• 1.30.26
• 1.30.27
• 1.30.28
• 1.30.29
• 1.30.30
• 1.30.31
• 1.30.32
• 1.30.33
• 1.30.34
• 1.30.35
• 1.30.36
• 1.30.37
• 1.30.38
• 1.30.39
• 1.30.40
• 1.30.41
• 1.30.42
• 1.30.43
• 1.30.44
• 1.30.45
• 1.30.46
• 1.30.47
• 1.30.48
• 1.30.49
• 1.30.50
• 1.30.51
• 1.30.52
• 1.30.53
• 1.30.54
• 1.30.55
• 1.30.56
• 1.30.57
• 1.30.58
• 1.30.59
• 1.30.60
• 1.30.61
• 1.30.62
• 1.30.63
• 1.30.64
• 1.30.65
• 1.30.66
• 1.30.67
• 1.30.68
• 1.30.69
• 1.30.70
• 1.30.71
• 1.30.72
• 1.30.73
• 1.30.74
• 1.30.75
• 1.30.76
• 1.30.77
• 1.30.78
• 1.30.79

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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