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6 vulnerabilities found for Windows PV drivers by Xen
CVE-2025-27464 (GCVE-0-2025-27464)
Vulnerability from nvd – Published: 2026-07-09 14:35 – Updated: 2026-07-09 16:07
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Credits
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CVE-2025-27463 (GCVE-0-2025-27463)
Vulnerability from nvd – Published: 2026-07-09 14:29 – Updated: 2026-07-09 15:52
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Date Public
2025-05-27 12:00
Credits
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CVE-2025-27462 (GCVE-0-2025-27462)
Vulnerability from nvd – Published: 2026-07-09 14:27 – Updated: 2026-07-09 16:06
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]
The Windows PV drivers expose various facilities to userspace. Several
of these have no security descriptor, and are therefore fully accessible
to unprivileged users. These are:
1. XenCons, CVE-2025-27462
2. XenIface, CVE-2025-27463
3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Date Public
2025-05-27 12:00
Credits
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CVE-2025-27464 (GCVE-0-2025-27464)
Vulnerability from cvelistv5 – Published: 2026-07-09 14:35 – Updated: 2026-07-09 16:07
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Credits
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CVE-2025-27463 (GCVE-0-2025-27463)
Vulnerability from cvelistv5 – Published: 2026-07-09 14:29 – Updated: 2026-07-09 15:52
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Date Public
2025-05-27 12:00
Credits
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CVE-2025-27462 (GCVE-0-2025-27462)
Vulnerability from cvelistv5 – Published: 2026-07-09 14:27 – Updated: 2026-07-09 16:06
VLAI
EPSS
VEX
Title
WinPVDrivers: Excessive permissions on user-exposed devices
Summary
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.]
The Windows PV drivers expose various facilities to userspace. Several
of these have no security descriptor, and are therefore fully accessible
to unprivileged users. These are:
1. XenCons, CVE-2025-27462
2. XenIface, CVE-2025-27463
3. XenBus, CVE-2025-27464
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect default permissions
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Xen | Windows PV drivers |
Affected:
all
|
Date Public
2025-05-27 12:00
Credits
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