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windows product

· dossier confidence 40%

Microsoft Windows is a critical software asset with a high volume of actively exploited vulnerabilities in 2026, including ransomware campaigns targeting Windows Defender and multiple critical RCE flaws in the OS and ecosystem.

12
failure events
0
zero-days
3
RCEs
4
on KEV
5
critical
85
worst shame

Profile

Category
Software Vendor
What they do
Microsoft Corporation develops and supports software, services, devices, and solutions worldwide, including the Windows operating system and Microsoft 365 commercial products.
Ownership
public
Website
https://www.microsoft.com

Security posture

Microsoft Windows demonstrates a high volume of actively exploited vulnerabilities, including multiple critical RCE and privilege escalation flaws in 2026, with active exploitation confirmed by CISA and industry forums.

Notable failures
  • CVE-2025-60710: Privilege escalation via link-following flaw
  • CVE-2026-32202: Network spoofing bypassing authentication
  • CVE-2026-13776: Critical sandbox escape in Chrome renderer process
  • CVE-2026-33825: BlueHammer ransomware exploitation of Windows Defender
  • CVE-2026-45607: Hyper-V Remote Code Execution
  • CVE-2026-40404: UDFS Elevation of Privilege
Patterns
Repeated unpatched edge-device RCEs; Active exploitation of privilege escalation flaws; High volume of critical vulnerabilities in 2026

Failure history 12 events

DateEventSevFlagsShameSummary
2026-04-13 CVE-2025-60710 high ⌖KEV 85 Microsoft Windows is actively exploited for privilege escalation via CVE-2025-60710, a link-following flaw enabling unauthorized admin access.
2026-05-20 CVE-2008-4250 high ⚡RCE ⌖KEV 45 Microsoft Windows Server Service buffer overflow vulnerability (CVE-2008-4250) enabled remote code execution via crafted RPC requests.
2026-04-28 CVE-2026-32202 high ⚡RCE ⌖KEV 45 Microsoft Windows Shell allows network spoofing via a protection mechanism failure, enabling attackers to bypass authentication and execute commands.
2026-04-13 CVE-2023-36424 high ⌖KEV 45 Microsoft Windows Common Log File System Driver contains an out-of-bounds read vulnerability enabling privilege escalation.
2026-07-06 CVE-2026-9182 medium ⚡RCE 35 ArcGIS Server contains an unrestricted file upload vulnerability. An unauthenticated attacker could exploit this issue by uploading a crafted file to the affected endpoint. Successful exploitation could allow arbitrary file upload.
2026-06-30 CVE-2026-13780 critical 35 Insufficient validation of untrusted input in ANGLE in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
2026-06-30 CVE-2026-13776 critical 35 Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
2026-06-30 CVE-2026-13775 critical 35 Use after free in GPU in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
2026-06-30 CVE-2026-13781 critical 35 Insufficient validation of untrusted input in Skia in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
2026-06-30 CVE-2026-13782 critical 35 Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
2026-07-07 CVE-2026-13020 high 25 A Weak Password Recovery Mechanism for Forgotten Password exists in Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes. A remote, unauthorized attacker may assume ownership of a user’s account by manipulating this mechanism. ArcGIS Administrators sh
2026-07-10 CVE-2026-57211 medium CVE-2026-57211: RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windo

Dossier sources

Open questions: Why are critical vulnerabilities in Windows still actively exploited in 2026? · What is the root cause of repeated driver vulnerabilities in Windows?