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AI-assisted reporting, grounded in a per-article claim ledger. Perspective Coverage and Reality Strip separate source viewpoints from evidence, adoption, hype, incentives, and confidence.

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Exchange Extended Security Update program

Paid program under which out-of-support Exchange 2016 and 2019 receive updates released between May and October 2026, after which fixes stop.

Known aliases

ESU
Period 2 Extended Security Update

Relationships

No evidence-backed relationships are recorded.

Current clusters

security3 distinct publishers

Public exploit code for CVE-2026-62911 is outpacing patching on 21,899 exposed Exchange servers

Microsoft patched the Exchange authentication bypass on August 11. Shadowserver's September 1 scan still counts 21,899 internet-facing servers unpatched, and NCSC-NL says working exploit code for full mailbox takeover is circulating.

Publishers:bleepingcomputer.com · helpnetsecurity.com · zscaler.com

Perspective Coverage

3 publishers

Builder: Builder 20%
Operator: Operator 68%
Investor: Investor 12%

Reality

Evidence72
Adoption30
Hype gap+18

Incentives70

Confidence68

Exchange Extended Security Update program — other — Clarity Today