CVE-2019-1445
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin...
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.
- Record
CVE-2019-1445- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-346
- Updated
- 2026-11-02
CVE List No score
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.
- Record
CVE-2019-1445- Updated
- 2026-11-02
EUVDEUVD-2019-10002 No score
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.
- Record
EUVD-2019-10002- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8r62-7p87-f58m No score
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin...
A spoofing vulnerability exists when Office Online does not validate origin in cross-origin communications handlers correctly, aka 'Microsoft Office Online Spoofing Vulnerability'. This CVE ID is unique from CVE-2019-1447.
- Record
GHSA-8r62-7p87-f58m- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-1445 is a medium vulnerability (CVSS 5.4) in Microsoft Office Online Server, published November 12, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 57th percentile. No source names a fixed version.