Quick answers
- Is CVE-2026-70062 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-70062 being exploited in the wild.
- How severe is CVE-2026-70062?
- High severity, with a CVSS score of 8.1, published 13 October 2026.
- Which products and versions are affected?
- Libarchive <UNKNOWN>.
- Is there a fix for CVE-2026-70062?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-70062 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-70062?
- Check whether you run Libarchive at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A double-free vulnerability exists in the Windows implementation of Libarchive, a library for reading and writing archive files. The flaw can be exploited remotely by sending a specially crafted archive file over the network, allowing code execution without requiring prior authentication or user interaction.
Affected products
- Libarchive Libarchive <UNKNOWN>
Timeline
- 2026-10-13: disclosed