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Microsoft

Windows Server

Microsoft server operating system for on-premises and hybrid workloads.

Current version
Last checked: yesterday

2026-04 B (14393.9060)

Release date
April 14, 2026
CVE status
25 visible CVEs

Source

Vendor Release Information

Public release notes are linked for the latest stored release.

Release history

See the latest published releases stored for this product.

Version Published Notes
2026-04 B (14393.9060) 2026-04-14 Release Notes
2026-03 B (14393.8957) 2026-03-10 Release Notes

Vulnerability tracking

Review curated CVEs for this product and see whether the current version is marked affected. Only CVEs with a CVSS score of 7.0 or higher and published in the last 90 days are shown.

CVE Severity Published Status Summary
CVE-2026-33827 HIGH (8.1) 2026-04-14 Current versionnot affected

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33826 HIGH (8.0) 2026-04-14 Current versionnot affected

Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33824 CRITICAL (9.8) 2026-04-14 Current versionnot affected

Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33104 HIGH (7.0) 2026-04-14 Current versionnot affected

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33100 HIGH (7.0) 2026-04-14 Current versionnot affected

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33099 HIGH (7.0) 2026-04-14 Current versionnot affected

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-33098 HIGH (7.8) 2026-04-14 Current versionnot affected

Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-32225 HIGH (8.8) 2026-04-14 Current versionnot affected

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

Affected versions
  • Up to (excluding) 10.0.14393.9060
CVE-2026-26128 HIGH (7.8) 2026-03-10 Current versionnot affected

Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-26111 HIGH (8.0) 2026-03-10 Current versionnot affected

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25190 HIGH (7.8) 2026-03-10 Current versionnot affected

Untrusted search path in Windows GDI allows an unauthorized attacker to execute code locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25188 HIGH (8.8) 2026-03-10 Current versionnot affected

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25187 HIGH (7.8) 2026-03-10 Current versionnot affected

Improper link resolution before file access ('link following') in Winlogon allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25181 HIGH (7.5) 2026-03-10 Current versionnot affected

Out-of-bounds read in Windows GDI+ allows an unauthorized attacker to disclose information over a network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25179 HIGH (7.0) 2026-03-10 Current versionnot affected

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25178 HIGH (7.0) 2026-03-10 Current versionnot affected

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25177 HIGH (8.8) 2026-03-10 Current versionnot affected

Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25176 HIGH (7.8) 2026-03-10 Current versionnot affected

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25175 HIGH (7.8) 2026-03-10 Current versionnot affected

Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25174 HIGH (7.8) 2026-03-10 Current versionnot affected

Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25173 HIGH (8.0) 2026-03-10 Current versionnot affected

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25172 HIGH (8.0) 2026-03-10 Current versionnot affected

Integer overflow or wraparound in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25171 HIGH (7.0) 2026-03-10 Current versionnot affected

Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25166 HIGH (7.8) 2026-03-10 Current versionnot affected

Deserialization of untrusted data in Windows System Image Manager allows an authorized attacker to execute code locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957
CVE-2026-25165 HIGH (7.8) 2026-03-10 Current versionnot affected

Null pointer dereference in Windows Performance Counters allows an authorized attacker to elevate privileges locally.

Affected versions
  • Up to (excluding) 10.0.14393.8957