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4 vulnerabilities found for 365_word_copilot by microsoft
CVE-2026-21521 (GCVE-0-2026-21521)
Vulnerability from nvd – Published: 2026-01-22 22:47 – Updated: 2026-07-30 20:47 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Word Copilot Information Disclosure Vulnerability
Summary
Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 20:02 UTC
CWE
- CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Word Copilot |
Affected:
-
|
Date Public
2026-01-22 16:00
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CVE-2025-59252 (GCVE-0-2025-59252)
Vulnerability from nvd – Published: 2025-10-09 21:04 – Updated: 2026-02-26 17:47 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
M365 Copilot Information Disclosure Vulnerability
Summary
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-18 03:55 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Word Copilot |
Affected:
-
|
Date Public
2025-10-09 14:00
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CVE-2026-21521 (GCVE-0-2026-21521)
Vulnerability from cvelistv5 – Published: 2026-01-22 22:47 – Updated: 2026-07-30 20:47 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
Word Copilot Information Disclosure Vulnerability
Summary
Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-23 20:02 UTC
CWE
- CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Word Copilot |
Affected:
-
|
Date Public
2026-01-22 16:00
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CVE-2025-59252 (GCVE-0-2025-59252)
Vulnerability from cvelistv5 – Published: 2025-10-09 21:04 – Updated: 2026-02-26 17:47 Exclusively Hosted Service
VLAI
EPSS
VEX
Title
M365 Copilot Information Disclosure Vulnerability
Summary
Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.
Severity
9.3 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-18 03:55 UTC
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft 365 Word Copilot |
Affected:
-
|
Date Public
2025-10-09 14:00
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