365 Copilot Chat
Vendor:
First CVE: Aug 7, 2025 · Active for under a year
7
Total CVEs
More Total CVEs than 83% of tracked products
3.5
Avg CVEs / Year
Higher CVE frequency than 82% of tracked products
8.4
Avg CVSS
Higher Avg CVSS than 74% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact 365 Copilot Chat over time
Volume of CVEsAvg CVSS Base Score
First CVE
Aug 7, 2025
11 months ago
Most Recent CVE
May 7, 2026
78 days ago
CVE Severity & Scoring
365 Copilot Chat7 CVEs
57%
43%
All CVEs352,231 CVEs
45%
40%
11%
HighCritical
Attack Vector
Local0 (0.0%)
Network7 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low7 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None6 (85.7%)
Unknown0 (0.0%)
Required1 (14.3%)
Privileges Required
Low1 (14.3%)
High0 (0.0%)
None6 (85.7%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-26129HIGH Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network. | May 7, 2026 | 7.5 | 33 | NO | NO |
CVE-2026-26137CRITICAL Server-side request forgery (ssrf) in Microsoft Exchange allows an authorized attacker to elevate privileges over a network. | Mar 19, 2026 | 9.9 | 33 | NO | NO |
CVE-2025-59286CRITICAL Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network. | Oct 9, 2025 | 9.3 | 33 | NO | NO |
CVE-2025-59272CRITICAL Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to perform information disclosure locally. | Oct 9, 2025 | 9.3 | 33 | NO | NO |
CVE-2026-26164HIGH Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network. | May 7, 2026 | 7.5 | 32 | NO | NO |
CVE-2025-53787HIGH Microsoft 365 Copilot BizChat Information Disclosure Vulnerability | Aug 7, 2025 | 7.5 | 26 | NO | NO |
CVE-2025-53774HIGH Microsoft 365 Copilot BizChat Information Disclosure Vulnerability | Aug 7, 2025 | 7.5 | 26 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (7 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 (7 CVEs).
Media Mentions
Signals from CVEs in this product scope (7 CVEs).
Top CNAs Publishing CVEs For 365 Copilot Chat
Top CWEs
Versions
No cataloged versions.