# CVE-2026-24282: Push message Routing Service Elevation of Privilege Vulnerability

CVE-2026-24282 is fixed in 18 products on 1 platform, first by KB5078938, released March 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-24282
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0049
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Mar 10, 2026
- Weakness: Out-of-bounds Read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24282

## Description

<p>Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.8957 | [KB5078938](https://patchblox.com/security/data/fix/microsoft/kb5078938.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.8957 | [KB5078938](https://patchblox.com/security/data/fix/microsoft/kb5078938.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.8511 | [KB5078752](https://patchblox.com/security/data/fix/microsoft/kb5078752.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.8511 | [KB5078752](https://patchblox.com/security/data/fix/microsoft/kb5078752.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 21H2 for 32-bit Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 21H2 for ARM64-based Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 21H2 for x64-based Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 22H2 for 32-bit Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 22H2 for ARM64-based Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 10 Version 22H2 for x64-based Systems |  | [KB5078885](https://patchblox.com/security/data/fix/microsoft/kb5078885.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 23H2 for ARM64-based Systems | 22631.6783 | [KB5078883](https://patchblox.com/security/data/fix/microsoft/kb5078883.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 23H2 for x64-based Systems | 22631.6783 | [KB5078883](https://patchblox.com/security/data/fix/microsoft/kb5078883.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 24H2 for ARM64-based Systems |  | [KB5079473](https://patchblox.com/security/data/fix/microsoft/kb5079473.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 24H2 for ARM64-based Systems |  | [KB5079420](https://patchblox.com/security/data/fix/microsoft/kb5079420.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 24H2 for x64-based Systems |  | [KB5079473](https://patchblox.com/security/data/fix/microsoft/kb5079473.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 24H2 for x64-based Systems |  | [KB5079420](https://patchblox.com/security/data/fix/microsoft/kb5079420.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 25H2 for ARM64-based Systems |  | [KB5079473](https://patchblox.com/security/data/fix/microsoft/kb5079473.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 25H2 for ARM64-based Systems |  | [KB5079420](https://patchblox.com/security/data/fix/microsoft/kb5079420.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 25H2 for x64-based Systems |  | [KB5079473](https://patchblox.com/security/data/fix/microsoft/kb5079473.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 25H2 for x64-based Systems |  | [KB5079420](https://patchblox.com/security/data/fix/microsoft/kb5079420.md) | Mar 10, 2026 |
| Microsoft | Windows 11 Version 26H1 for ARM64-based Systems | 28000.1719 | [KB5079466](https://patchblox.com/security/data/fix/microsoft/kb5079466.md) | Mar 10, 2026 |
| Microsoft | Windows 11 version 26H1 for x64-based Systems | 28000.1719 | [KB5079466](https://patchblox.com/security/data/fix/microsoft/kb5079466.md) | Mar 10, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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