CVE tracker / CVE-2026-69285
CVE-2026-69285
CVE-2026-69285 is the Microsoft Office Remote Code Execution Vulnerability. Microsoft rates it Critical, CVSS 8.8. It is not in CISA's Known Exploited Vulnerabilities catalog. Published September 8, 2026.
Risk summary
HighRemote Code Execution
8.8
CVSS v3 base
0.8%
EPSS: chance of exploitation in 30 days
High
Severity
Critical
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV
Microsoft describes it: “Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.”
How to fix it
Microsoft lists 10 affected products and the update that fixes each:
- KB5002916 · fixed build 16.0.5569.1000
Microsoft Office 2016 (64-bit edition), Microsoft Office 2016 (32-bit edition) - Release Notes · fixed build 16.0.17932.20976, 16.0.14334.20906, 16.0.10417.20207
Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office 2019 for 32-bit editions, Microsoft 365 Apps for Enterprise for 32-bit Systems, and 3 more
What Microsoft changed
- September 8, 2026: Information published.
Details
- Weakness
- CWE-122: Heap-based Buffer Overflow
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- September 8, 2026
- Last revised
- September 8, 2026
Get told when this changes
Senserva Watch emails Microsoft security and patch alerts when something moves: a new exploitation report, a revised fix, a known issue. Free, one email address.
References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.