CVE-2026-70055
MEDIUMCVSS 5.5/10
Last modified
CVE-2026-70055 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Exposure of sensitive system information to an unauthorized control sphere in Windows Cryptographic Services allows an authorized attacker to disclose information locally..
Description
Exposure of sensitive system information to an unauthorized control sphere in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows 10 Version 21H2 | >= 10.0.19044.0, < 10.0.19044.7807 |
| Microsoft | Windows 10 Version 22H2 | >= 10.0.19045.0, < 10.0.19044.7807 |
| Microsoft | Windows 11 version 23H2 | >= 10.0.22631.0, < 10.0.22631.7652 |
| Microsoft | Windows 11 Version 23H2 | >= 10.0.22631.0, < 10.0.22631.7652 |
| Microsoft | Windows 11 Version 24H2 | >= 10.0.26100.0, < 10.0.26100.9711 |
| Microsoft | Windows 11 Version 25H2 | >= 10.0.26200.0, < 10.0.26200.9711 |
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.3231 |
| Microsoft | Windows 11 Version 26H2 | >= 10.0.26300.0, < 10.0.26300.9711 |
| Microsoft | Windows Server 2012 | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.9600.0, < 6.3.9600.23470 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.9600.0, < 6.3.9600.23470 |
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33650 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33650 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-70055?
Exposure of sensitive system information to an unauthorized control sphere in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
How severe is CVE-2026-70055?
CVE-2026-70055 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-70055?
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-2026-70045Use after free in Windows Work Folders allows an authorized …7
- CVE-2026-70048Heap-based buffer overflow in Windows Resilient File System …7.8
- CVE-2026-70049Improper neutralization of special elements used in an sql c…8
- CVE-2026-70051Access of resource using incompatible type ('type confusion'…7.8
- CVE-2026-70052Integer overflow or wraparound in Windows PowerShell allows …7.8
- CVE-2026-70054Heap-based buffer overflow in Windows NetBIOS allows an auth…7.8
- CVE-2026-70056Use after free in Windows Update Service allows an authorize…7
- CVE-2026-70057Incorrect authorization in Windows Routing and Remote Access…5.5
- CVE-2026-70058Out-of-bounds write in Windows DHCP Server allows an unautho…7.5
- CVE-2026-70059Heap-based buffer overflow in Windows OLE allows an authoriz…7.8
- CVE-2026-7006Sublime Text for Windows through Build 4192 (Sublime Text 4)…7.3
- CVE-2026-70060Heap-based buffer overflow in Windows Win32 Kernel Subsystem…7.8
Are you affected by CVE-2026-70055?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST