Microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2136 in the last 90 days against 414 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 (644), Windows 10 Version 1607 (481), 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
- 2136 prev 414
Weakness classes
Products
- windows_10_1607 644
- Windows 10 Version 1607 481
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 106
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-2026-58296High· 7.1Microsoft Edge for Android Information Disclosure Vulnerability
Exposure of private personal information to an unauthorized actor in Microsoft Edge for Android allows an unauthorized attacker to disclose information over a network.
CVE-2026-58290High· 7.5Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58289Critical· 9.0PoCMicrosoft Edge (Chromium-based) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58288High· 8.3Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58287High· 8.3Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58286High· 8.1Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58285High· 8.3Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58284High· 8.3Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58283High· 8.1Microsoft Edge (Chromium-based) Spoofing Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58282High· 8.1Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-57993High· 7.4Microsoft Edge (Chromium-based) Spoofing Vulnerability
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58522Medium· 6.8Microsoft Edge for Android Information Disclosure Vulnerability
Relative path traversal in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
CVE-2026-58300Medium· 6.2Microsoft Edge for Android Information Disclosure Vulnerability
Absolute path traversal in Microsoft Edge for Android allows an unauthorized attacker to disclose information locally.
CVE-2026-58299High· 7.5Microsoft Edge for Android Remote Code Execution Vulnerability
Time-of-check time-of-use (toctou) race condition in Microsoft Edge for Android allows an unauthorized attacker to execute code over a network.
CVE-2026-58298High· 7.2Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58297High· 7.1Microsoft Edge for Android Information Disclosure Vulnerability
Exposure of private personal information to an unauthorized actor in Microsoft Edge for Android allows an unauthorized attacker to disclose information over a network.
CVE-2026-58295High· 8.3Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-58294High· 7.5Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58293High· 8.1Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
External control of file name or path in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58292High· 7.5Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Improper input validation in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-58291Medium· 6.1Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
CVE-2026-58524Medium· 5.4Microsoft Edge (Chromium-based) Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58597Medium· 4.3Microsoft Edge (Chromium-based) Spoofing Vulnerability
Insufficient ui warning of dangerous operations in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-58523Medium· 6.5Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.
Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-57975High· 7.5Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-57974High· 8.8Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-56646Medium· 6.5Exposure of sensitive information to an unauthorized actor in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Exposure of sensitive information to an unauthorized actor in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-56645High· 8.8Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-55945Medium· 4.2Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.
CVE-2026-45489Medium· 6.5Microsoft Edge (Chromium-based) Spoofing Vulnerability
Microsoft Edge (Chromium-based) Spoofing Vulnerability