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CVE-2023-36763

Microsoft Outlook Information Disclosure Vulnerability

7.5 High

Microsoft Outlook Information Disclosure Vulnerability

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

2.12%Up 2.0 points since Sep 13, 2023
90%50%10%1%

What each source reports

CVE List Score used 7.5

Microsoft Outlook Information Disclosure Vulnerability

Microsoft Outlook Information Disclosure Vulnerability

Record
CVE-2023-36763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Weakness
CWE-200
Updated
2026-11-02
EUVDEUVD-2023-40706 7.5

Microsoft Outlook Information Disclosure Vulnerability

Record
EUVD-2023-40706
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Updated
2026-11-02
GitHub AdvisoriesGHSA-xcjm-fw7q-2734 7.5

Microsoft Outlook Information Disclosure Vulnerability

Microsoft Outlook Information Disclosure Vulnerability

Record
GHSA-xcjm-fw7q-2734
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
NVD 7.5

Microsoft Outlook Information Disclosure Vulnerability

Record
CVE-2023-36763
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-36763 is a high vulnerability (CVSS 7.5) in Microsoft Outlook, published September 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 82nd percentile. No source names a fixed version.

References

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