CVE-2017-11882
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11884.
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector: Local
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | Required | A user has to do something first, such as opening a file or following a link. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
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EPSS
- Score
- 0.99945 (99.9% probability)
- Percentile
- 99.97%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Office Memory Corruption Vulnerability
- Added to the catalog
- Nov 3, 2021
- Federal due date
- May 3, 2022
- Ransomware campaigns
- Known use
CISA assessment as of Feb 10, 2025
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected products
Microsoft Office
- affected: Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, Microsoft Office 2016
References
- github.com/embedi/CVE-2017-11882
- github.com/unamer/CVE-2017-11882
- reversingminds-blog.logdown.com/posts/3907313-fileless-atta…
- github.com/rxwx/CVE-2017-11882
- 101757 (securityfocus.com)vdb-entry
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/…
- researchcenter.paloaltonetworks.com/2017/12/unit42-analysis…
- 1039783 (securitytracker.com)vdb-entry
- VU#421280 (kb.cert.org)third-party-advisory
- 0patch.blogspot.com/2017/11/did-microsoft-just-manually-pat…
- 0patch.blogspot.com/2017/11/official-patch-for-cve-2017-118…
- github.com/0x09AL/CVE-2017-11882-metasploit
- 43163 (exploit-db.com)exploit
- web.archive.org/web/20181104111128/https://embedi.com/blog/…
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:19 UTC. Sources and licenses