Disclosure summary
Birthday Attack against Resolvers supporting ECS
Source-reported weakness categories
CWE-349
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) · 2025-Jul
Open original source · Updated Aug 06, 2026
Birthday Attack against Resolvers supporting ECS
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 8.6
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 bind 9.16.50-1 | (MSRC status code 3) |
| Microsoft update guide | azl3 bind 9.20.9-1 on Azure Linux 3.0 | (MSRC status code 3) |
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-08-06T21:01:14-04:00
MODIFIED 2026-08-06T21:01:14-04:00
INGESTED 2026-10-08T12:45:47-04:00