Microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2137 in the last 90 days against 419 in the 90 before. The busiest recent month was September 2026 with 1005. The median CVSS is 7.8 (high), with 178 rated critical. 3% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 113 days (91 cases). The dominant weakness classes are CWE-122 (585) and CWE-416 (512). Most affected products: windows_10_1607 (635), Windows 10 Version 1607 (490), Microsoft 365 Apps for Enterprise (209).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 3% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 113 d median(91)
- Last 90 days
- 2137 prev 419
Weakness classes
Products
- windows_10_1607 635
- Windows 10 Version 1607 490
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 103
Worst active — by depth score
CVE-2025-53770Critical· 9.8Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing…100CVE-2021-38647Critical· 9.8Open Management Infrastructure (OMI) Remote Code Execution Vulnerability100CVE-2021-34473Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2021-26855Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2020-0796Critical· 10.0A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.100
microsoft vulnerabilities
CVEs affecting microsoft, newest first. Open any entry for full detail, references, and exploit status.
2953 CVEsRSS
CVE-2026-77904High· 7.8Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-77901High· 8.8Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-77899High· 7.0Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally.
Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally.
CVE-2026-77898High· 7.5Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
CVE-2026-77897High· 7.0Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.
CVE-2026-77896Medium· 6.5Integer overflow or wraparound in Remote Desktop Client allows an unauthorized attacker to deny service over a network.
Integer overflow or wraparound in Remote Desktop Client allows an unauthorized attacker to deny service over a network.
CVE-2026-77895High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77894High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-77893High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77892Medium· 6.8No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to elevate privileges with a physical attack.
No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-77891Medium· 6.4Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally.
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally.
CVE-2026-77890High· 7.5Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77889High· 7.5Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77888High· 7.5Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77887Medium· 6.4Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally.
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally.
CVE-2026-77886High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77505High· 8.1Use after free in DNS Server allows an unauthorized attacker to execute code over a network.
Use after free in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-77504High· 8.8Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-77503High· 8.4Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.
CVE-2026-77502High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77501High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77500High· 7.8Release of invalid pointer or reference in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
Release of invalid pointer or reference in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-77499High· 7.5Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77498High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77495High· 8.8Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
CVE-2026-77494High· 7.5Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-77493Critical· 9.8Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
CVE-2026-77492Medium· 5.5Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.
Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.
CVE-2026-77491Medium· 5.5Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.
CVE-2026-77489High· 7.8Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.