Microsoft Office Publisher is widely deployed across enterprises; an RCE vulnerability in a common Office app can compromise endpoints, enable data theft and lateral movement, and would be broadly newsworthy.
CVE-2026-69742
Integer overflow in Microsoft Publisher allows remote code execution from crafted files.
Is CVE-2026-69742 being exploited?
Not confirmed. CVE-2026-69742 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.82% probability of exploitation in the next 30 days.
How severe is CVE-2026-69742?
CVE-2026-69742 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-69742?
Yes. A fix has been recorded for CVE-2026-69742. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-69742 affect?
CVE-2026-69742 affects Microsoft Office Publisher (Windows). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-69742?
Apply Microsoft's Publisher security update immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via crafted Publisher file over network; attacker can run arbitrary code with victim privileges and compromise endpoints.
Immediate action required
- affected>= 16.0.1 and < 16.0.20326.20138
- affected>= 19.0.0 and < 16.0.10417.20207
- affected>= 16.0.1 and < 16.0.14334.20906
- affected>= 16.0.0 and < 16.0.17932.20976
- affected>= 16.0.0 and < 16.0.5569.1000
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.