CVE-2026-109399Published
SWUpdate through 2026.05.1 CMS Signature Verification Bypass via Embedded Intermediates
Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-109399 · Microsoft / collected KEV context
cve-program · CVE-2026-109399
- https://groups.google.com/g/swupdate/c/dsoMcGFnEns
- https://github.com/sbabic/swupdate/commit/e66c5640664a31668926a24c0c84b6b6570dc0d9
- https://github.com/sbabic/swupdate/blob/2026.05.1/crypto/swupdate_cms_verify_openssl.c
- https://github.com/sbabic/swupdate
- https://www.vulncheck.com/advisories/swupdate-through-2026.05.1-cms-signature-verification-bypass-via-embedded-intermediates
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.