Path Traversal in Microsoft Windows

CVE-2021-26629

A path traversal vulnerability in XPLATFORM's runtime archive function could lead to arbitrary file creation. When the .xzip archive file is decompressed, an arbitrary file can be d in the parent path by using the path traversal pattern ‘..\’.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-26629: held from 0.015 to 0.016.

EPSS over last 30 days · oldest: 0.015 · newest: 0.016 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-26629?
CVE-2021-26629 is a high-severity vulnerability in Microsoft Windows, classified under Path Traversal. CVSS score: 8.8/10. Published 2022-04-26.
How severe is CVE-2021-26629?
High severity. CVSS v3 base score is 8.8 out of 10.