CVE record · CVE-2026-21358

InDesign Desktop | Heap-based Buffer Overflow (CWE-122)

CVSS 5.5 MediumEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: adobe) at 10 Feb 2026, 17:59 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Adobe InDesign Desktop
  • affected 21.1 and earlier semver
  • unaffected 21.2 semver
  • affected 20.5.1 and earlier semver
  • unaffected 20.5.2 semver
Other versions: unaffected
Identifiers
CVE-2026-21358
CNA
adobe
Weakness (CWE)
CWE-122
Published
10 Feb 2026
Updated
27 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.5 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CNA (adobe)
  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Feb 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.