microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2138 in the last 90 days against 418 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 (626), Windows 10 Version 1607 (499), 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
- 2138 prev 418
Weakness classes
Products
- windows_10_1607 626
- Windows 10 Version 1607 499
- 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-2026-81386High· 7.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-81385High· 8.8Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
CVE-2026-81383High· 7.4Use of incorrectly-resolved name or reference in Visual Studio Code allows an unauthorized attacker to disclose information over a network.
Use of incorrectly-resolved name or reference in Visual Studio Code allows an unauthorized attacker to disclose information over a network.
CVE-2026-81381Medium· 6.5Insufficiently protected credentials in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
Insufficiently protected credentials in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
CVE-2026-81380Medium· 5.3Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to disclose information over a network.
CVE-2026-81379High· 8.2Not failing securely ('failing open') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Not failing securely ('failing open') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-81378High· 8.2Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Interpretation conflict in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-81377Medium· 6.5Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to perform tampering over a network.
Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code allows an unauthorized attacker to perform tampering over a network.
CVE-2026-81376Critical· 9.6Incomplete comparison with missing factors in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Incomplete comparison with missing factors in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-81357High· 8.2Server-side request forgery (ssrf) in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Server-side request forgery (ssrf) in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-81356High· 8.2Inconsistent interpretation of http requests ('http request/response smuggling') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Inconsistent interpretation of http requests ('http request/response smuggling') in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-81355High· 7.5Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to execute code locally.
CVE-2026-81354High· 8.2Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.
CVE-2026-81353High· 7.8Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.
CVE-2026-81352High· 8.8Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
CVE-2026-81349High· 7.2Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.
Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.
CVE-2026-80097High· 8.6Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
Improper authentication in Microsoft Authenticator allows an unauthorized attacker to elevate privileges locally.
CVE-2026-80096High· 8.8Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network.
CVE-2026-80093High· 7.0Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-80091Medium· 6.5Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information over a network.
CVE-2026-80090Medium· 6.5Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-80089Medium· 6.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
CVE-2026-80088Medium· 6.5Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-80087Medium· 6.5Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to disclose information over a network.
CVE-2026-80086Medium· 6.5Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.
CVE-2026-80085High· 8.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-80084Medium· 6.5Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.
CVE-2026-80083High· 8.8Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.
Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.
CVE-2026-80082Medium· 6.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
CVE-2026-80081High· 8.8Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.