CVE-2026-20815
HIGHCVSS 7/10EPSS 0.30%
Last modified
CVE-2026-20815 is a high-severity vulnerability rated 7/10 on the CVSS scale. Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 24h2 | < 10.0.26100.7623 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.7623 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32230 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-20815?
Concurrent execution using shared resource with improper synchronization ('race condition') in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-20815?
CVE-2026-20815 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20815?
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-2026-20809Time-of-check time-of-use (toctou) race condition in Windows…7.8
- CVE-2026-2081A vulnerability was determined in D-Link DIR-823X 250416. Th…7.2
- CVE-2026-20810Free of memory not on the heap in Windows Ancillary Function…7.8
- CVE-2026-20811Access of resource using incompatible type ('type confusion'…7.8
- CVE-2026-20812Improper input validation in Windows LDAP - Lightweight Dire…6.5
- CVE-2026-20814Concurrent execution using shared resource with improper syn…7
- CVE-2026-20816Time-of-check time-of-use (toctou) race condition in Windows…7
- CVE-2026-20817Improper handling of insufficient permissions or privileges …7.8
- CVE-2026-20818Insertion of sensitive information into log file in Windows …6.2
- CVE-2026-20819Untrusted pointer dereference in Windows Virtualization-Base…5.5
- CVE-2026-2082A vulnerability was identified in D-Link DIR-823X 250416. Th…7.2
- CVE-2026-20820Heap-based buffer overflow in Windows Common Log File System…7.8
Are you affected by CVE-2026-20815?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST