What is CVE-2026-21347?

CVE-2026-21347 is a high-severity vulnerability in Adobe Bridge, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-02-10.

How severe is CVE-2026-21347?

High severity. CVSS v3 base score is 7.8 out of 10.

Integer overflow in Adobe Bridge

CVE-2026-21347

Bridge versions 15.1.3, 16.0.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interacti…

Vulnerability class: Integer Overflow

EPSS: 0.000 (10.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Bridge — versions 0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

helpx.adobe.com/security/products/bridge/apsb26-21.html (vendor-advisory)

Frequently asked questions

What is CVE-2026-21347?: CVE-2026-21347 is a high-severity vulnerability in Adobe Bridge, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-02-10.
How severe is CVE-2026-21347?: High severity. CVSS v3 base score is 7.8 out of 10.