CVE-2026-70019 json
Windows Compressed Folder Information Disclosure Vulnerability
published 2026-09-08 2 mo ago modified 2026-10-31 8 d ago also EUVD-2026-73345
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
Windows hard link in Windows Compressed Folder allows an unauthorized attacker to disclose information over a network.
Patch / fix
- Microsoft Windows 11 version 23H2 10.0.22631.7582
- Microsoft Windows 11 Version 24H2 10.0.26100.9445
- Microsoft Windows 11 Version 25H2 10.0.26200.9445
- Microsoft Windows 11 version 26H1 10.0.28000.2954
- Microsoft Windows Server 2025 10.0.26100.33438
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.33438
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
1.04% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-65 Windows Hard Link
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-70019
vendor-advisory, patch
Sources
- CVE List CVE-2026-70019
- NVD CVE-2026-70019
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