CVE-2026-34621

Summary

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected Software

VendorProductVersion RangeStatus
AdobeAcrobat DC0 <= 26.001.21367affected
AdobeAcrobat DC26.001.21411unaffected
AdobeAcrobat Reader DC0 <= 26.001.21367affected
AdobeAcrobat Reader DC26.001.21411unaffected
AdobeAcrobat 20240 <= 24.001.30356affected
AdobeAcrobat 202424.001.30362 (Win), 24.001.30360 (Mac)unaffected

Weaknesses

  • CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: active
    • Automatable: no
    • Technical Impact: total

Additional References

References