How severe is CVE-2025-55330?

CVE-2025-55330 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-55330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55330?

CVE-2025-55330 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-2025-55330?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55330 have an EU (EUVD) identifier?

Yes. CVE-2025-55330 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34343.

When was CVE-2025-55330 published?

CVE-2025-55330 was published on 2025-10-14 and last updated on 2026-06-17.

CVE-2025-55330

CVE-2025-55330 is a medium-severity vulnerability in Microsoft Windows 11 22h2 with a CVSS 3.x base score of 6.1. 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-841.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34343
Weakness: CWE-841
Affected product: Microsoft Windows 11 22h2
Published: 2025-10-14
Last modified: 2026-06-17

Description

Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.

Frequently asked questions

What is CVE-2025-55330?: Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
How severe is CVE-2025-55330?: CVE-2025-55330 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-55330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55330?: CVE-2025-55330 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-2025-55330?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55330 have an EU (EUVD) identifier?: Yes. CVE-2025-55330 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34343.
When was CVE-2025-55330 published?: CVE-2025-55330 was published on 2025-10-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55330

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.
CVE-2025-47981 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over…
CVE-2025-21307 — Critical (CVSS 9.8): Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21298 — Critical (CVSS 9.8): Windows OLE Remote Code Execution Vulnerability
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-841 vulnerabilities

CVE-2026-3130 — Critical (CVSS 9.8): Improper Enforcement of Behavioral Controls in Devolutions Server 2025.3.15 and earlier allows an authenticated…
CVE-2025-48481 — Critical (CVSS 9.8): FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, an attacker with an unactivated…
CVE-2022-2105 — Critical (CVSS 9.4): Client-side JavaScript controls may be bypassed to change user credentials and permissions without authentication,…
CVE-2026-34582 — Critical (CVSS 9.1): Botan is a C++ cryptography library. Prior to version 3.11.1, the TLS 1.3 implementation allowed ApplicationData…
CVE-2025-48476 — High (CVSS 8.8): FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, when adding and editing user…
CVE-2026-43974 — High (CVSS 8.7): Unexpected Status Code or Return Value vulnerability in ninenines gun (gun_http module) allows a malicious HTTP server…

Browse all CWE-841 vulnerabilities →