CVE-2026-69375: Microsoft Exchange Server Tampering Vulnerability
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69375
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-693750.59% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-69375 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[NEU] [hoch] Microsoft Exchange Server: Mehrere Schwachstellencert-bund
- unknownMultiples vulnérabilités dans les produits Microsoft (09 septembre 2026)cert-fr-avis
- unknownNCSC-2026-0349 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Exchange serverncsc-nl
- mediumCVE-2026-69375: Authorization bypass through user-controlled key in Microsoft Exchange Server allows an author…nvd
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