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 (638), Windows 10 Version 1607 (487), 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 638
- Windows 10 Version 1607 487
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 105
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-2026-68779Medium· 6.5Out-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-2026-68778Medium· 6.5Out-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-2026-68777Medium· 6.5Out-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-2026-68776Medium· 6.5Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-68775High· 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-2026-67648Medium· 6.5Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67645Medium· 6.5Out-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-2026-67643Critical· 9.8Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67642High· 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-2026-67641Medium· 6.5Integer overflow or wraparound in SQL Server allows an authorized attacker to deny service over a network.
Integer overflow or wraparound in SQL Server allows an authorized attacker to deny service over a network.
CVE-2026-67639High· 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-2026-67638High· 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-2026-67636Critical· 9.0Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67633Medium· 6.5Out-of-bounds read in SQL Server allows an authorized attacker to deny service over a network.
Out-of-bounds read in SQL Server allows an authorized attacker to deny service over a network.
CVE-2026-67631Critical· 9.8Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67630Medium· 6.5Out-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-2026-67629Medium· 6.5Out-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-2026-67624Medium· 6.5Out-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-2026-67393Medium· 6.5Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67390Medium· 6.5Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
Buffer over-read in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67389Medium· 6.5Out-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-2026-67388High· 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-2026-67386Medium· 6.5Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
Use of uninitialized resource in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67385High· 8.8Use after free in SQL Server allows an authorized attacker to execute code over a network.
Use after free in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67384High· 8.8Integer overflow or wraparound in SQL Server allows an authorized attacker to execute code over a network.
Integer overflow or wraparound in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67383Medium· 6.5Generation of error message containing sensitive information in SQL Server allows an authorized attacker to disclose information over a network.
Generation of error message containing sensitive information in SQL Server allows an authorized attacker to disclose information over a network.
CVE-2026-67381High· 8.8Heap-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-2026-67380High· 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-2026-67379High· 8.5Stack-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
Stack-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-67378Critical· 9.0Untrusted pointer dereference in SQL Server allows an unauthorized attacker to execute code over a network.
Untrusted pointer dereference in SQL Server allows an unauthorized attacker to execute code over a network.