Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 932 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 273 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 (931) and CWE-416 (851). Most affected products: windows_10_1607 (988), Windows 10 Version 1607 (877), 365_apps (267).
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
- 2930 prev 932
Weakness classes
Products
- windows_10_1607 988
- Windows 10 Version 1607 877
- 365_apps 267
- Microsoft 365 Apps for Enterprise 232
- Windows 10 Version 1809 199
- windows_10_1809 174
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.
4599 CVEsRSS
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.
CVE-2026-67376High· 7.5Integer overflow or wraparound in SQL Server allows an unauthorized attacker to deny service over a network.
Integer overflow or wraparound in SQL Server allows an unauthorized attacker to deny service over a network.
CVE-2026-67373High· 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-2026-67370High· 8.8Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-67369Medium· 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-2026-67368High· 8.8Improper link resolution before file access ('link following') in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper link resolution before file access ('link following') in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-66820High· 8.8Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-66819High· 8.8Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-66818High· 8.8Improper privilege management in SQL Server allows an authorized attacker to elevate privileges over a network.
Improper privilege management in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-66816Medium· 6.5Insufficient logging in SQL Server allows an authorized attacker to bypass a security feature over a network.
Insufficient logging in SQL Server allows an authorized attacker to bypass a security feature over a network.
CVE-2026-66814High· 8.8Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-65812Medium· 6.8Insertion of sensitive information into sent data in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
Insertion of sensitive information into sent data in Microsoft Teams for Android allows an authorized attacker to disclose information over a network.
CVE-2026-65772High· 8.8Deserialization of untrusted data in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.
Deserialization of untrusted data in Microsoft Dynamics 365 allows an authorized attacker to execute code over a network.
CVE-2026-65669Critical· 9.6Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.
Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-64918Medium· 6.5Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
Insufficiently protected credentials in Microsoft Office allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-62895High· 8.8Permissive cross-domain policy with untrusted domains in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
Permissive cross-domain policy with untrusted domains in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62706High· 8.8Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Out-of-bounds read in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.