Microsoft CVEs & Vulnerabilities

1.621 CVEs affecting Microsoft products, tracked from the National Vulnerability Database, with CVSS/EPSS scores and exploitation status.

1.621 CVEs→ All vendors

Most Affected Products

windows 1.168windows server 2012 286windows 11 26h1 242windows server 2025 242windows 11 25h2 235windows 11 24h2 235windows server 2022 225windows 11 23h2 218
CVE-2026-45638HIGH

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

9 Jun 2026
7.8
CVSS
CVE-2026-45637HIGH

Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45636HIGH

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45635HIGH

Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.

9 Jun 2026
8.1
CVSS
CVE-2026-45634MEDIUM

Out-of-bounds read in Windows DHCP Server allows an authorized attacker to disclose information locally.

9 Jun 2026
5.5
CVSS
CVE-2026-45608MEDIUM

Out-of-bounds read in Windows DHCP Server allows an authorized attacker to disclose information locally.

9 Jun 2026
6.8
CVSS
CVE-2026-45607HIGH

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45606MEDIUM

Out-of-bounds read in Microsoft UxTheme Library (uxtheme.dll) allows an authorized attacker to deny service locally.

9 Jun 2026
5.5
CVSS
CVE-2026-45605HIGH

Use after free in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45604MEDIUM

Out-of-bounds read in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.

9 Jun 2026
5.5
CVSS
CVE-2026-45603HIGH

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

9 Jun 2026
7.0
CVSS
CVE-2026-45602CRITICAL

No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

9 Jun 2026
9.1
CVSS
CVE-2026-45601HIGH

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

9 Jun 2026
7.0
CVSS
CVE-2026-45600HIGH

Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45599HIGH

Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.

9 Jun 2026
8.1
CVSS
CVE-2026-45598HIGH

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

9 Jun 2026
7.0
CVSS
CVE-2026-45597HIGH

Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.0
CVSS
CVE-2026-45596HIGH

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

9 Jun 2026
7.0
CVSS
CVE-2026-45595MEDIUM

Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45594MEDIUM

Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.

9 Jun 2026
5.5
CVSS
CVE-2026-45593HIGH

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

9 Jun 2026
7.8
CVSS
CVE-2026-45592HIGH

Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45588HIGH

Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

9 Jun 2026
7.9
CVSS
CVE-2026-45586HIGH

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

9 Jun 2026
7.8
CVSS
CVE-2026-45504HIGH

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

9 Jun 2026
8.8
CVSS
CVE-2026-45503MEDIUM

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

9 Jun 2026
6.5
CVSS
CVE-2026-45502MEDIUM

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.

9 Jun 2026
5.0
CVSS
CVE-2026-45501MEDIUM

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.

9 Jun 2026
6.1
CVSS
CVE-2026-45487HIGH

Time-of-check time-of-use (TOCTOU) race condition in Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

9 Jun 2026
7.0
CVSS
CVE-2026-45486HIGH

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45485LOW

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

9 Jun 2026
3.3
CVSS
CVE-2026-45484HIGH

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

9 Jun 2026
8.8
CVSS
CVE-2026-45481MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45479MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45469HIGH

Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45468MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45467MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45465MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45464MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45462MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-45459LOW

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally.

9 Jun 2026
3.3
CVSS
CVE-2026-45458HIGH

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

9 Jun 2026
8.4
CVSS
CVE-2026-45457HIGH

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-45456HIGH

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

9 Jun 2026
8.4
CVSS
CVE-2026-45454HIGH

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

9 Jun 2026
8.8
CVSS
CVE-2026-45453MEDIUM

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

9 Jun 2026
5.4
CVSS
CVE-2026-44824HIGH

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

9 Jun 2026
7.8
CVSS
CVE-2026-44822HIGH

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

9 Jun 2026
8.2
CVSS
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