Microsoft Microsoft Exchange Online
4 CVEs affecting Microsoft Microsoft Exchange Online. Latest disclosed: 2026-07-02. Critical: 3, High: 1.
| CVE | Severity | Score | Published | Summary |
|---|---|---|---|---|
CVE-2026-26137 | Critical | 9.9 | 2026-03-19 | Server-side request forgery (ssrf) in Microsoft Exchange allows an authorized attacker to elevate privileges over a network. |
CVE-2026-48582 | Critical | 9.6 | 2026-06-19 | Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network. |
CVE-2026-48579 | Critical | 9.1 | 2026-06-04 | Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network. |
CVE-2026-54998 | High | 8.8 | 2026-07-02 | Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network. |