Vulnerability in Microsoft Windows
CVE-2023-5727
The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Microsoft Windows
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
References
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-45/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-46/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2023-47/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5727?
- CVE-2023-5727 is a medium-severity vulnerability in Microsoft Windows. CVSS score: 6.5/10. Published 2023-10-25.
- How severe is CVE-2023-5727?
- Medium severity. CVSS v3 base score is 6.5 out of 10.