CVE-2026-70019
CVE-2026-70019 is a medium-severity vulnerability in Microsoft Windows 11 23h2 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-65.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-65
- Affected product: Microsoft Windows 11 23h2
- Published:
- Last modified:
Description
Windows hard link in Windows Compressed Folder allows an unauthorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-70019?
- Windows hard link in Windows Compressed Folder allows an unauthorized attacker to disclose information over a network.
- How severe is CVE-2026-70019?
- CVE-2026-70019 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-70019 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-70019?
- CVE-2026-70019 primarily affects Microsoft Windows 11 23h2. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-70019?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-70019 published?
- CVE-2026-70019 was published on 2026-09-08 and last updated on 2026-09-16.
References
Affected products (9)
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
More vulnerabilities in Microsoft Windows 11 23h2
- CVE-2025-49708 — Critical (CVSS 9.9): Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
- CVE-2026-77493 — Critical (CVSS 9.8): Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
- CVE-2026-73009 — Critical (CVSS 9.8): Use after free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over…
- CVE-2026-72983 — Critical (CVSS 9.8): Use after free in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to execute code over a…
- CVE-2026-72982 — Critical (CVSS 9.8): Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
- CVE-2026-70296 — Critical (CVSS 9.8): Out-of-bounds write in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
All CVEs affecting Microsoft Windows 11 23h2 →
Other CWE-65 vulnerabilities
- CVE-2019-19231 — High (CVSS 7.3): An insecure file access vulnerability exists in CA Client Automation 14.0, 14.1, 14.2, and 14.3 Agent for Windows that…