microsoft has 4,534 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2942 in the last 90 days against 900 in the 90 before. The busiest recent month was October 2026 with 1462. The median CVSS is 7.8 (high), with 269 rated critical. 2% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 112 days (95 cases). The dominant weakness classes are CWE-122 (924) and CWE-416 (846). Most affected products: Windows 10 Version 1607 (1061), windows_10_1607 (807), 365_apps (265).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 2% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 112 d median(95)
- Last 90 days
- 2942 prev 900
Weakness classes
Products
- Windows 10 Version 1607 1061
- windows_10_1607 807
- 365_apps 265
- Windows 10 Version 1809 237
- Microsoft 365 Apps for Enterprise 233
- windows_10_1809 133
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.
4534 CVEsRSS
CVE-2026-108446High· 8.8Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-108451High· 8.8Microsoft Office Word Remote Code Execution Vulnerability
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-108450High· 8.8Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-108449High· 8.8Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-108455Medium· 6.5Microsoft Office PowerPoint Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-108453Medium· 6.5Microsoft Office PowerPoint Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-108452High· 8.8Microsoft Office SharePoint Remote Code Execution Vulnerability
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.
CVE-2026-109468High· 7.5ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-108454Medium· 6.5Microsoft Office PowerPoint Information Disclosure Vulnerability
Buffer over-read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-88164High· 8.8Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-96956High· 8.0Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-94520Medium· 4.9Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.
Use of externally-controlled format string in SQL Server allows an authorized attacker to deny service over a network.
CVE-2026-94512High· 8.8Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-88089Medium· 6.7Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
CVE-2026-88088High· 7.0Integer overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally.
Integer overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-88086Medium· 5.3Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-88085Medium· 6.4Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-88084Medium· 5.3Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
Allocation of resources without limits or throttling in SQL Server allows an authorized attacker to deny service over a network.
CVE-2026-88083High· 7.5Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88082High· 7.0Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-88081High· 7.7Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-85919High· 7.0Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-85888High· 7.7Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-85886High· 8.5Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-85876High· 7.0Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
CVE-2026-83945Medium· 6.6Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-70189Medium· 6.7Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally.
CVE-2026-68883High· 8.5Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-67628Medium· 4.9Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67626Medium· 6.5Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.
Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.