Microsoft’s March 2026 Patch Tuesday Addresses 83 CVEs (CVE-2026-21262, CVE-2026-26127)
2026-03-10T20:52:34Z•cd8ed06bcf473fa20a9f154223dfc0c38aa5e9eadd1963c09d0627c0d1f1ccfe
cisco-sd-wancross-tenantdata-exfiltrationexploitation-in-the-wildgoogle-lookeriranian-threat-actorsleakylookermicrosoft-patch-tuesdayoperation-epic-furypatchingtenable-researchvulnerability-managementzero-day
What happened
Tenable posts covering multiple high-impact items: Microsoft’s March 2026 Patch Tuesday (83 CVEs — 8 critical, 75 important — including CVE-2026-21262 and CVE-2026-26127; note CVE-2026-26030 was omitted from Tenable’s count), LeakyLooker (nine cross-tenant Looker Studio vulnerabilities enabling zero-/one-click SQL injection and cross-tenant data exfiltration of BigQuery/Sheets; now remediated), and an active exploitation advisory for Cisco Catalyst SD‑WAN Controller/Manager (CVE-2026-20127 — authentication bypass zero-day exploited in the wild; Cisco confirmed additional exploited flaws CVE-2-
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- tenable_blog
- Record identifier
- cd8ed06bcf473fa20a9f154223dfc0c38aa5e9eadd1963c09d0627c0d1f1ccfe
- Enrichment time
- 2026-03-10T20:52:34Z
- AI-assisted enrichment
- Yes
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