Disclosure summary
Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.
Source-reported weakness categories
CWE-125
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Mar
Open original source · Updated Mar 10, 2026
Push message Routing Service Elevation of Privilege Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 5.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Windows 11 Version 26H1 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 version 26H1 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1809 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1809 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 21H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 22H2 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 25H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 25H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 23H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 23H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1607 for 32-bit Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 10 Version 1607 for x64-based Systems | (MSRC status code 3) |
Vendor remediation references
- 5079466 · build 10.0.28000.1719 · product IDs 20854, 20853
- Vendor guidance · product IDs 20854, 20853
- 5078752 · build 10.0.17763.8511 · product IDs 11568, 11569
- Vendor guidance · product IDs 11568, 11569
- 5078752 · product IDs 11568, 11569
- 5078885 · build 10.0.19044.7058 · product IDs 11929, 11930, 11931
- Vendor guidance · product IDs 11929, 11930, 11931
- 5078885 · build 10.0.19045.7058 · product IDs 12097, 12098, 12099
- Vendor guidance · product IDs 12097, 12098, 12099
- 5079473 · build 10.0.26200.8037 · product IDs 20437, 20438
- Vendor guidance · product IDs 20437, 20438
- 5079420 · build 10.0.26200.7979 · product IDs 20437, 20438
- Vendor guidance · product IDs 20437, 20438
- 5079420 · product IDs 20437, 20438, 12389, 12390
- 5078883 · build 10.0.22631.6783 · product IDs 12242, 12243
- Vendor guidance · product IDs 12242, 12243
- 5079473 · build 10.0.26100.8037 · product IDs 12389, 12390
- Vendor guidance · product IDs 12389, 12390
- 5079420 · build 10.0.26100.7979 · product IDs 12389, 12390
- Vendor guidance · product IDs 12389, 12390
- 5078938 · build 10.0.14393.8957 · product IDs 10852, 10853
- Vendor guidance · product IDs 10852, 10853
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-03-10T03:00:00-04:00
MODIFIED 2026-03-10T03:00:00-04:00
INGESTED 2026-10-08T12:45:10-04:00