exchange_server vulnerabilities
CVEs whose affected-version data names the exchange_server package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
33 CVEsRSS
CVE-2026-96940High· 8.8PoCWeak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-69641Critical· 9.1Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-69382Medium· 5.9Use of a broken or risky cryptographic algorithm in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
Use of a broken or risky cryptographic algorithm in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
CVE-2026-69380High· 8.1Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-69378High· 7.5Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.
Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.
CVE-2026-69375Medium· 6.5Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.
CVE-2026-69361Medium· 6.5Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
CVE-2026-69356Critical· 9.3Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-69355High· 8.8External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
CVE-2026-55007High· 8.1Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Double free in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
CVE-2026-62911High· 8.0PoCAuthentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Authentication bypass by capture-replay in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-55005High· 8.8Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
CVE-2026-47631High· 8.1Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-45583High· 7.5Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.
CVE-2026-45504High· 8.8PoCServer-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-45503High· 8.1Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
CVE-2026-45502Medium· 5.0Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
CVE-2026-45501Medium· 6.5Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
CVE-2026-45500Medium· 6.1Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-64667Medium· 5.3User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-64666High· 7.5Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2021-42321High· 8.8CISA KEVPoCMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34523Critical· 9.0CISA KEV0dayPoCMicrosoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-34473Critical· 9.1CISA KEV0dayPoCMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-34470High· 8.0PoCMicrosoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-33768High· 8.0Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-33766High· 7.3CISA KEV0dayPoCMicrosoft Exchange Server Information Disclosure Vulnerability
Microsoft Exchange Server Information Disclosure Vulnerability
CVE-2021-31206High· 7.6⚠ Exploited0dayMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-31196High· 7.2CISA KEVMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-27065High· 7.8CISA KEVPoCMicrosoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability