CVE-2026-62434

5.3 mediumEPSS 0.4%

Medium (5.3). EPSS 0.4% chance of exploitation in the next 30 days.

A guest started with Populated on Demand enabled (PoD) can attempt to reclaim pages which aren't regular guest RAM. This can cause corruption of memory management state in Xen.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-07-28
Modified: 2026-07-28
Record from: the NVD, synced 2026-10-19

References

https://xenbits.xenproject.org/xsa/advisory-507.html
http://www.openwall.com/lists/oss-security/2026/07/28/23
http://xenbits.xen.org/xsa/advisory-507.html

Check your stack JSON