Vulnerabilities
Microsoft Office for Mac Update Addresses CVE-2026-88169 Information Disclosure
Microsoft released a patch for Office for Mac to fix an information disclosure flaw (CVE‑2026‑88169). Only Mac users of affected Office versions need to apply the update; other platforms are unaffected.
What happened
Microsoft identified an information disclosure vulnerability in Office for Mac that could allow an attacker to read sensitive data from a document. The flaw is assigned CVE‑2026‑88169.
Impact
Mac users running affected Office versions are at risk of leaking document contents or metadata. Windows, Linux, and other Office platforms are not impacted.
What to do
Office for Mac users should download and install the latest update from Microsoft’s official site. Verify that the Office version is at least the patched build. No action is required for non‑Mac Office installations.
Microsoft recommends applying the update promptly to eliminate the disclosure vector.
Related vulnerabilities
Microsoft Office for Mac: CVE-2026-80090 Information Disclosure Vulnerability Fixed
Microsoft released patches for Office for Mac to fix CVE-2026-80090, an information‑disclosure flaw in Word. Mac users of affected Office versions must update immediately; other Office platforms are not impacted.
Read briefing
Microsoft Office for Mac CVE-2026-80089: Information Disclosure – Update Required
A recent vulnerability (CVE-2026-80089) allows information disclosure in Microsoft Office for Mac. Users of the affected Mac version must install the security update immediately. Other Office products are not impacted.
Read briefing
Microsoft Office for Mac Vulnerability CVE-2026-80082 – Information Disclosure
Microsoft Office for Mac is affected by CVE-2026-80082, an information‑disclosure flaw that can expose user data. The issue is fixed in the latest Office update; administrators should deploy the patch immediately. Non‑Mac Office users are not impacted.
Read briefing
Microsoft Office for Mac CVE‑2026‑80091: Information Disclosure Vulnerability Fixed
Microsoft has released security updates for Office for Mac to address CVE‑2026‑80091, an information‑disclosure flaw that could expose sensitive data. Administrators should verify that affected Mac installations are updated; other Office products are unaffected.
Read briefing