Medium 5.3Published Jul 28, 2026

CVE-2026-62434A guest started with Populated on Demand enabled (PoD) can attempt to reclaim pages which aren't regular guest RAM.

Updated under an hour ago (2026-10-19 07:30 UTC)

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Exploited in the last 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.

CVSS: 5.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-787
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Deferred
Record last updated: Jul 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.