Microsoft 365
Vendor:
First CVE: Jun 9, 2026 · Active for under a year
98
Total CVEs
More Total CVEs than 99% of tracked products
98.0
Avg CVEs / Year
Higher CVE frequency than 100% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 43% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Microsoft 365 over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jun 9, 2026
44 days ago
Most Recent CVE
Jul 14, 2026
10 days ago
CVE Severity & Scoring
Microsoft 36598 CVEs
24%
72%
All CVEs352,294 CVEs
45%
40%
11%
LowMediumHigh
Attack Vector
Local96 (98.0%)
Network2 (2.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low96 (98.0%)
High2 (2.0%)
Unknown0 (0.0%)
User Interaction
None10 (10.2%)
Unknown0 (0.0%)
Required88 (89.8%)
Privileges Required
Low1 (1.0%)
High0 (0.0%)
None97 (99.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (98 CVEs).
98 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-45458HIGH Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Jun 9, 2026 | 8.4 | 37 | NO | NO |
CVE-2026-45456HIGH Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally. | Jun 9, 2026 | 8.4 | 37 | NO | NO |
CVE-2026-55045HIGH Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. | Jul 14, 2026 | 8.4 | 35 | NO | NO |
CVE-2026-45486HIGH Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. | Jun 9, 2026 | 7.8 | 35 | NO | NO |
CVE-2026-50665HIGH Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | Jul 14, 2026 | 7.8 | 33 | NO | NO |
CVE-2026-50467HIGH Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Jul 14, 2026 | 7.8 | 33 | NO | NO |
CVE-2026-47642HIGH Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Jul 14, 2026 | 7.8 | 33 | NO | NO |
CVE-2026-50387HIGH Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally. | Jul 14, 2026 | 7.8 | 33 | NO | NO |
CVE-2026-58618HIGH Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Jul 14, 2026 | 7.8 | 33 | NO | NO |
CVE-2026-45472HIGH Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Jun 9, 2026 | 8.4 | 33 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (98 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (98 CVEs).
Media Mentions
Signals from CVEs in this product scope (98 CVEs).
Top CNAs Publishing CVEs For Microsoft 365
Top CWEs
Versions
No cataloged versions.