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The March 2025 Security Update Review

ID: 158074aa-eb05-5f2e-9cbc-22636e9a451c

STIX ID: report--158074aa-eb05-5f2e-9cbc-22636e9a451c

Feed Name: Zero Day Initiative (ZDI) Blog

Threat Score
80/100

Date Published: 2025-03-11

Date Updated: 2026-05-01

Author: Dustin Childs

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**Executive summary:** Adobe published seven bulletins addressing 37 CVEs (multiple Critical-rated code-execution flaws) and Microsoft released dozens of updates (56 new CVEs, 67 including third-party) that include multiple actively exploited vulnerabilities—most notably CVE-2025-26633 used by EncryptHub/Larva-208—which together warrant prioritizing Reader/Illustrator/InDesign fixes and the actively exploited Microsoft updates for rapid deployment.

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