What is CVE-2026-7574?

CVE-2026-7574 is a high-severity vulnerability in Anthropic Claude Desktop Cowork, classified under CWE-353. CVSS score: 8.7/10. Published 2026-06-24.

How severe is CVE-2026-7574?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Anthropic Claude Desktop Cowork

CVE-2026-7574

Anthropic Claude Desktop Cowork VM image handling (confirmed across v1.1348.0 through v1.2278.0, including v1.1348.0, v1.1617.0, and v1.2278.0) validates only file presence and a version marker string before booting rootfs.img, but does no…

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

Affected products

Anthropic Claude Desktop Cowork — versions 1.1348.0

Weakness classification (CWE)

CWE-353

References

cve@takeonme.org (related)
cve@takeonme.org (third-party-advisory)

Frequently asked questions

What is CVE-2026-7574?: CVE-2026-7574 is a high-severity vulnerability in Anthropic Claude Desktop Cowork, classified under CWE-353. CVSS score: 8.7/10. Published 2026-06-24.
How severe is CVE-2026-7574?: High severity. CVSS v3 base score is 8.7 out of 10.