CVE-2026-44800
HIGHCVSS 7.8/10EPSS 0.15%
Last modified
CVE-2026-44800 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 23h2 | < 10.0.22631.7376 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8875 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8875 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2269 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33158 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-44800?
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-44800?
CVE-2026-44800 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-44800?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-44795Spinnaker is an open source, multi-cloud continuous delivery…8.8
- CVE-2026-44796Nautobot is a Network Source of Truth and Network Automation…6.5
- CVE-2026-44797Nautobot is a Network Source of Truth and Network Automation…8.5
- CVE-2026-44798Nautobot is a Network Source of Truth and Network Automation…7.1
- CVE-2026-44799Heap-based buffer overflow in Remote Desktop Client allows a…7.5
- CVE-2026-4480A flaw was found in the Samba printing subsystem. Samba pass…9
- CVE-2026-44801Use after free in Remote Desktop Client allows an unauthoriz…7.5
- CVE-2026-44802Use after free in Windows DWM Core Library allows an authori…7.8
- CVE-2026-44803Integer overflow or wraparound in Windows Win32K - GRFX allo…7.8
- CVE-2026-44804Use after free in Windows DWM Core Library allows an authori…7.8
- CVE-2026-44805Use after free in Windows Network Controller (NC) Host Agent…5.5
- CVE-2026-44806Missing release of memory after effective lifetime in Window…7.5
Are you affected by CVE-2026-44800?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST