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 Defender For Endpoint For Mac by Microsoft · sector: Operating Systems & Platforms. Cumulative disclosure record for this product across the archive.
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| All-time | YTD | |
|---|---|---|
| CVEs | 5 | 5 |
| KEV entries | 0 | 0 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 0.0 | 7.0 | .0022 | 0 | 3 | 2 | 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 |
|---|---|
| 2026-06 | 1 |
| 2026-07 | 3 |
| 2026-08 | 1 |
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-54123 | 5.5 | 36.6 | MEDIUM | — | 2026-08-11 |
| CVE-2026-50657 | 5.5 | 36.6 | MEDIUM | — | 2026-07-14 |
| CVE-2026-45647 | 7.0 | 12.2 | HIGH | — | 2026-06-09 |
| CVE-2026-50658 | 7.0 | 8.8 | HIGH | — | 2026-07-14 |
| CVE-2026-56178 | 7.0 | 6.5 | HIGH | — | 2026-07-14 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2026-54123 | 5.5 | 36.6 | MEDIUM | — | 2026-08-11 |
| CVE-2026-56178 | 7.0 | 6.5 | HIGH | — | 2026-07-14 |
| CVE-2026-50658 | 7.0 | 8.8 | HIGH | — | 2026-07-14 |
| CVE-2026-50657 | 5.5 | 36.6 | MEDIUM | — | 2026-07-14 |
| CVE-2026-45647 | 7.0 | 12.2 | HIGH | — | 2026-06-09 |
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.