Microsoft Security Response Center guidance
Vendor revision: Nov 13, 2026Release Notes
Vulnerability intelligence
CVE-2026-107080 and is rated Medium severity with a CVSS score of 6.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Release Notes
OpenJPEG 2.4.0 through 2.5.4, and git master through commit 8314119b, contains an out-of-bounds read and write in opj_dwt_encode_and_deinterleave_v() in src/lib/openjp2/dwt.c. This allows an attacker to cause a denial of service.
Source: NVD