What is CVE-2026-53200?

CVE-2026-53200 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-53200?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Linux

CVE-2026-53200

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX XN has already been extracted from its bitfield position so using FIELD_PREP() on the mask that clears XN[0] is comp…

EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Linux — versions d93febe2ed2e0491af9d47f0ee6d4b01918877f4, 6.19, 0
Linux Linux_kernel — versions 7.1

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-53200?: CVE-2026-53200 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-53200?: High severity. CVSS v3 base score is 8.8 out of 10.