Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Product reference — Microsoft Dynamics 365 (on-premises) Version 9.1 by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
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| All-time | YTD | |
|---|---|---|
| CVEs | 20 | 5 |
| KEV entries | 0 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 0.0 | 7.6 | .0101 | 2 | 10 | 8 | 0 |
KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.
Trend (by first-seen month, full archive): ▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▇▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▂▁▃
| Month | New CVEs |
|---|---|
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 2 |
| 2026-06 | 1 |
| 2026-07 | 0 |
| 2026-08 | 2 |
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2021-34524 | 8.1 | 88.5 | HIGH | — | 2021-08-12 |
| CVE-2021-42316 | 8.8 | 80.6 | HIGH | — | 2021-11-10 |
| CVE-2024-35263 | 5.7 | 74.7 | MEDIUM | — | 2024-06-11 |
| CVE-2024-21328 | 7.6 | 68.5 | HIGH | — | 2024-02-13 |
| CVE-2026-42898 | 9.9 | 65.5 | CRITICAL | — | 2026-05-12 |
| CVE-2024-21389 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21393 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21396 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21395 | 8.2 | 64.1 | HIGH | — | 2024-02-13 |
| CVE-2024-21394 | 7.6 | 63.5 | HIGH | — | 2024-02-13 |
| CVE-2026-65815 | 8.8 | 57.2 | HIGH | — | 2026-08-11 |
| CVE-2024-43476 | 5.4 | 56.6 | MEDIUM | — | 2024-09-10 |
| CVE-2026-42833 | 9.1 | 52.1 | CRITICAL | — | 2026-05-12 |
| CVE-2026-66301 | 6.5 | 49.7 | MEDIUM | — | 2026-08-11 |
| CVE-2023-21807 | 6.5 | 48.6 | MEDIUM | — | 2023-02-14 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-66301 | 6.5 | 49.7 | MEDIUM | — | 2026-08-11 |
| CVE-2026-65815 | 8.8 | 57.2 | HIGH | — | 2026-08-11 |
| CVE-2026-40371 | 8.8 | 47.5 | HIGH | — | 2026-06-09 |
| CVE-2026-42898 | 9.9 | 65.5 | CRITICAL | — | 2026-05-12 |
| CVE-2026-42833 | 9.1 | 52.1 | CRITICAL | — | 2026-05-12 |
| CVE-2024-43476 | 5.4 | 56.6 | MEDIUM | — | 2024-09-10 |
| CVE-2024-35263 | 5.7 | 74.7 | MEDIUM | — | 2024-06-11 |
| CVE-2024-21396 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21395 | 8.2 | 64.1 | HIGH | — | 2024-02-13 |
| CVE-2024-21394 | 7.6 | 63.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21393 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21389 | 7.6 | 64.5 | HIGH | — | 2024-02-13 |
| CVE-2024-21328 | 7.6 | 68.5 | HIGH | — | 2024-02-13 |
| CVE-2023-21807 | 6.5 | 48.6 | MEDIUM | — | 2023-02-14 |
| CVE-2023-21572 | 6.5 | 46.6 | MEDIUM | — | 2023-02-14 |
No entries in the CISA KEV catalog.
Vendor: Microsoft — all products and the full vendor record.
A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.
Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.