01 Record
CVE-2026-5165
Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset
MediumPUBLISHEDCNA: redhat
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
02 Description
Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.2% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-30 15:02Z7 MO AGO
- Last updated
- 2026-04-28 14:35Z6 MO AGO
- Reserved
- 2026-03-30
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-825Expired Pointer DereferenceBase
- Data version
- 5.2
- Document digest
- c345eef2cad80da3f62317f3177c8c4d8c2bfd58547baf73236062e889e74145
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-5165
- bugzilla.redhat.comRHBZ#2453015https://bugzilla.redhat.com/show_bug.cgi?id=2453015
- github.comhttps://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493