Exploited Vulnerabilities DailyCVE-2026-21514: Microsoft Office
EPSS1.6%No. 1622 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV389
Same product29
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Office |
| Name | Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability |
| Added to KEV | 2026-02-10 |
| US federal due date | 2026-03-03 |
| Ransomware use | Unknown |
| CWE | CWE-807 |
CISA description
Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2009-0238 | Microsoft Office | 2026-04-14 | 43.2% | Unknown |
| CVE-2026-21509 | Microsoft Office | 2026-01-26 | 70.7% | Unknown |
| CVE-2009-0556 | Microsoft Office | 2026-01-07 | 67.3% | Unknown |
| CVE-2007-0671 | Microsoft Office | 2025-08-12 | 43.2% | Unknown |
| CVE-2023-23397 | Microsoft Office | 2023-03-14 | 97.1% | Unknown |
| CVE-2023-21715 | Microsoft Office | 2023-02-14 | 12.0% | Unknown |
| CVE-2013-1331 | Microsoft Office | 2022-06-08 | 79.8% | Unknown |
| CVE-2009-0563 | Microsoft Office | 2022-06-08 | 62.8% | Unknown |
| CVE-2009-0557 | Microsoft Office | 2022-06-08 | 53.0% | Unknown |
| CVE-2021-38646 | Microsoft Office | 2022-03-28 | 7.9% | Known |
| CVE-2015-1770 | Microsoft Office | 2022-03-28 | 34.9% | Unknown |
| CVE-2017-11826 | Microsoft Office | 2022-03-03 | 81.1% | Unknown |
| CVE-2017-0261 | Microsoft Office | 2022-03-03 | 78.1% | Unknown |
| CVE-2016-7193 | Microsoft Office | 2022-03-03 | 57.5% | Unknown |
| CVE-2015-2545 | Microsoft Office | 2022-03-03 | 85.9% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Microsoft Office vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-02-10.