CVE-2026-69558 json
Microsoft Partner Center Information Disclosure Vulnerability
published 2026-08-20 2 mo ago modified 2026-10-30 9 d ago also EUVD-2026-63628
- cvss
- 8.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft Partner Center
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-69558
vendor-advisory, patch
Sources
- CVE List CVE-2026-69558
- NVD CVE-2026-69558
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.