CVE-2018-0802 KEV
7.8
HIGH · CVSS 3.1 · EPSS 93.3% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
Description
Equation Editor in Microsoft Office 2007, Microsoft Office 2010, Microsoft Office 2013, and Microsoft Office 2016 allow a remote code execution vulnerability due to the way objects are handled in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE is unique from CVE-2018-0797 and CVE-2018-0812.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 93.29% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | none known |
| Published | 2018-01-10 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Microsoft Office Memory Corruption Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | Microsoft / Office |
| Ransomware use | known |
Affected (3)
| Vendor | Product |
|---|---|
| microsoft | office |
| microsoft | office compatibility pack |
| microsoft | word |
References
- http://www.securityfocus.com/bid/102347
- http://www.securitytracker.com/id/1040153
- https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
- https://github.com/rxwx/CVE-2018-0802
- https://github.com/zldww2011/CVE-2018-0802_POC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- https://research.checkpoint.com/another-office-equation-rce-vulnerability/
- http://www.securityfocus.com/bid/102347
- http://www.securitytracker.com/id/1040153
- https://0patch.blogspot.com/2018/01/the-bug-that-killed-equation-editor-how.html
- https://github.com/rxwx/CVE-2018-0802
- https://github.com/zldww2011/CVE-2018-0802_POC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0802
- https://research.checkpoint.com/another-office-equation-rce-vulnerability/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0802
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