Microsoft Windows 10 21H2/10 22H2/11 23H2/Server 2022 AppX Deployment Service improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$5k-$25k0.00+

Summaryinfo

A vulnerability identified as very critical has been detected in Microsoft Windows 10 21H2/10 22H2/11 23H2/Server 2022. This issue affects some unknown processing of the component AppX Deployment Service. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2026-116714. The attack requires a local approach. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as very critical has been found in Microsoft Windows 10 21H2/10 22H2/11 23H2/Server 2022. This affects some unknown functionality of the component AppX Deployment Service. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Incorrect authorization in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2026-116714 since 10/26/2026. The exploitability is told 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 at the moment (estimation calculated on 11/10/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/26/2026 CVE reserved
11/10/2026 +15 days Advisory disclosed
11/10/2026 +0 days VulDB entry created
11/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CNA: microsoft
CVE: CVE-2026-116714 (🔒)

GCVE (CVE): GCVE-0-2026-116714
GCVE (VulDB): GCVE-100-435087
scip Labs: https://www.scip.ch/en/?labs.20161215

Entryinfo

Created: 11/10/2026 23:19
Changes: 11/10/2026 23:19 (63)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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