What’s Vulnerable › Products

Microsoft Exchange Online vulnerabilities

7 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 7 published in the last 12 months.

Check whether your Microsoft Exchange Online version is affected

Latest Microsoft Exchange Online vulnerabilities

• CVE-2026-96185 — Microsoft Exchange Online Remote Code Execution Vulnerability (CVSS 7.5)
• CVE-2026-65801 — Microsoft Exchange Online Elevation of Privilege Vulnerability (CVSS 10.0)
• CVE-2026-56191 — Microsoft Exchange Online Tampering Vulnerability (CVSS 10.0)
• CVE-2026-54998 — Microsoft Exchange Online Elevation of Privilege Vulnerability (CVSS 8.8)
• CVE-2026-48582 — Microsoft Exchange Online Elevation of Privilege Vulnerability (CVSS 9.6)
• CVE-2026-48579 — Microsoft Exchange Online Information Disclosure Vulnerability (CVSS 7.5)
• CVE-2026-26137 — Microsoft Exchange Elevation of Privilege Vulnerability (CVSS 9.9)