ZDI lists November 2026 Microsoft fixes, one Outlook bug exploited
CVE-2026-124194 is the only listed flaw marked exploited; it is a Moderate CVSS 6.5 spoofing bug.
Use-after-free in Microsoft Office Excel (user interaction)
A use-after-free flaw in Microsoft Office Excel lets an unauthorized attacker run code. The attacker reaches the victim over a network and needs the user to interact with the malicious content; no prior privileges are required. Successful exploitation can give full control of confidentiality, integrity, and availability on the affected system. Microsoft has not listed affected builds.
What to do: Apply Microsoft's update for CVE-2026-118713. Microsoft has not listed a fixed version or a workaround.
| Product | Affected |
|---|---|
| Microsoft Office Excel | — |
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-124194 is the only listed flaw marked exploited; it is a Moderate CVSS 6.5 spoofing bug.
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