CVE-2017-11882
KEVRansomware UseMicrosoft Office Memory Corruption Vulnerability
Description
Microsoft Office contains a memory corruption vulnerability that allows remote code execution in the context of the current user.
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.
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedNov 15, 2017
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- reversingminds-blog.logdown.com/posts/3907313-fileless-attack-in-word-without-macros-cve-2017-11882ExploitThird Party Advisory
- securityfocus.com/bid/101757Third Party AdvisoryVDB Entry
- securitytracker.com/id/1039783Third Party AdvisoryVDB Entry
- 0patch.blogspot.com/2017/11/did-microsoft-just-manually-patch-their.htmlExploitThird Party Advisory
- 0patch.blogspot.com/2017/11/official-patch-for-cve-2017-11882-meets.htmlExploitPatch
- github.com/0x09AL/CVE-2017-11882-metasploitExploitThird Party Advisory
- github.com/embedi/CVE-2017-11882ExploitThird Party Advisory
- github.com/rxwx/CVE-2017-11882ExploitThird Party Advisory
- github.com/unamer/CVE-2017-11882ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882PatchVendor Advisory
- researchcenter.paloaltonetworks.com/2017/12/unit42-analysis-of-cve-2017-11882-exploit-in-the-wild/ExploitThird Party Advisory
- web.archive.org/web/20181104111128/https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about/ExploitMitigation
0 recent articles mention this CVE
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Risk assessment · Critical
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1638 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 99.9% · top 1% of all CVEs
- Weakness
- CWE-119
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 4.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.