Patch tracker / Products / Microsoft Outlook 2016 (64-bit edition)

Microsoft Outlook 2016 (64-bit edition): vulnerabilities and security updates

Every CVE affecting Microsoft Outlook 2016 (64-bit edition) and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.

CVEs
12
Updates (KBs)
7
Actively exploited (KEV)
0
Critical Severity
0

CVEs affecting Microsoft Outlook 2016 (64-bit edition)

CVESeverityCVSSEPSSStatus
CVE-2026-69629High8.80.9%-
CVE-2026-78519High8.80.9%-
CVE-2026-80073High8.80.9%-
CVE-2026-62882High8.80.8%-
CVE-2026-70329High8.80.8%-
CVE-2026-21260High7.53.9%-
CVE-2026-21511High7.53.9%-
CVE-2026-63518High7.80.8%-
CVE-2025-47171Medium6.71.7%-
CVE-2025-49699High7.00.4%-
CVE-2024-38173Medium6.70.7%-
CVE-2025-21357Medium6.70.6%-

Updates (KBs) for Microsoft Outlook 2016 (64-bit edition)

UpdateReleasedSeverityCVSSEPSSCVEsStatus
KB50029192026-09-08High8.80.9%3-
KB50027552026-08-11High8.80.8%3-
KB50028392026-02-10High7.53.9%2-
KB50026832025-06-10Medium6.71.7%1-
KB50027472025-07-08High7.00.4%1-
KB50026262024-08-13Medium6.70.7%1-
KB50026562025-01-14Medium6.70.6%1-

Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.

Most searched on Senserva right now

KB5122876 install notes and severity KB5126052: the full CVE list KB5122882: patch details KB5123099: the full CVE list KB5120708 download and what it fixes KB5122871 install notes and severity KB5129235 install notes and severity KB5122878: patch details KB5120238 download and what it fixes KB5129238 download and what it fixes
New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
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