CVE-2026-55129

Vendor

Microsoft, Adobe

Product

Microsoft 365 / Office

CVSS

9.9

Exposure class

Collaboration

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 34
   Research ZDI 14 Jul 2026

   The July 2026 Security Update Review

   Well folks. Here we are. The bug apocalypse has fully descended upon us. I’ll do my best to sort this out in some way meaningful, but this month’s release shows us the nay-sayers were right, and I’ve got to hand it to the…

   CVSS 9.9 CVE-2026-56155CVE-2026-56154CVE-2026-56164+57 more Microsoft Adobe
2. 19
   Advisory MSRC 30 Jul 2026

   CVE-2026-55129 Microsoft Office Remote Code Execution Vulnerability

   Acknowledgement Updated

   CVE-2026-55129 Microsoft