How severe is CVE-2025-53779?

CVE-2025-53779 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-53779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53779?

CVE-2025-53779 affects Microsoft Windows Server 2025. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53779?

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-2025-53779 have an EU (EUVD) identifier?

Yes. CVE-2025-53779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24284.

When was CVE-2025-53779 published?

CVE-2025-53779 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-53779

CVE-2025-53779 is a high-severity vulnerability in Microsoft Windows Server 2025 with a CVSS 3.x base score of 7.2. 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-23.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24284
Weakness: CWE-23
Affected product: Microsoft Windows Server 2025
Published: 2025-08-12
Last modified: 2026-06-17

Description

Relative path traversal in Windows Kerberos allows an authorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2025-53779?: Relative path traversal in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2025-53779?: CVE-2025-53779 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-53779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53779?: CVE-2025-53779 affects Microsoft Windows Server 2025. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53779?: 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-2025-53779 have an EU (EUVD) identifier?: Yes. CVE-2025-53779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24284.
When was CVE-2025-53779 published?: CVE-2025-53779 was published on 2025-08-12 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53779

Affected products (1)

cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

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