How severe is CVE-2025-59194?

CVE-2025-59194 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59194?

CVE-2025-59194 primarily affects Microsoft Windows 11 22h2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59194?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59194 have an EU (EUVD) identifier?

Yes. CVE-2025-59194 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34297.

When was CVE-2025-59194 published?

CVE-2025-59194 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-59194

CVE-2025-59194 is a high-severity vulnerability in Microsoft Windows 11 22h2 with a CVSS 3.x base score of 7.0. 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-908.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34297
Weakness: CWE-908
Affected product: Microsoft Windows 11 22h2
Published: 2025-10-14
Last modified: 2026-06-17

Description

Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2025-59194?: Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.
How severe is CVE-2025-59194?: CVE-2025-59194 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59194?: CVE-2025-59194 primarily affects Microsoft Windows 11 22h2. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59194?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59194 have an EU (EUVD) identifier?: Yes. CVE-2025-59194 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34297.
When was CVE-2025-59194 published?: CVE-2025-59194 was published on 2025-10-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59194

Affected products (6)

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows 11 22h2

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-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
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CVE-2024-49112 — Critical (CVSS 9.8): Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

All CVEs affecting Microsoft Windows 11 22h2 →

Other CWE-908 (Use of Uninitialized Resource) vulnerabilities

CVE-2025-1942 — Critical (CVSS 9.8): When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated…
CVE-2024-47540 — Critical (CVSS 9.8): GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable…
CVE-2024-32611 — Critical (CVSS 9.8): HDF5 Library through 1.14.3 may use an uninitialized value in H5A__attr_release_table in H5Aint.c.
CVE-2023-24941 — Critical (CVSS 9.8): Windows Network File System Remote Code Execution Vulnerability
CVE-2022-26437 — Critical (CVSS 9.8): In httpclient, there is a possible out of bounds write due to uninitialized data. This could lead to remote escalation…
CVE-2021-45703 — Critical (CVSS 9.8): An issue was discovered in the tectonic_xdv crate before 0.1.12 for Rust. XdvParser::<T>::process may read from…

Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →