Dell ThinOS 10, versions prior to 2605_10.2616, contain a Security Version Number Mutable to Older Versions vulnerability.

published 2026-09-10 59 d ago modified 2026-09-16 53 d ago also EUVD-2026-75563

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

Dell ThinOS 10, versions prior to 2605_10.2616, contain a Security Version Number Mutable to Older Versions vulnerability. A low privileged attacker with physical access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

Patch / fix

fixed in 1

Dell ThinOS 10 2605_10.2616

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 55 d ago (2026-09-14)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.6	CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Dell ThinOS 10

Classification

Weakness

CWE-1328 Security Version Number Mutable to Older Versions

References

dell.com /support/kbdoc/en-us/000502746/dsa-2026-389-security-update-for-dell-thinos-10-for-multiple-vulnerabilities
vendor-advisory

Sources

CVE List CVE-2026-81051
NVD CVE-2026-81051

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary