CVE-2017-11882
Microsoft Office Memory Corruption Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 99.94% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 20 November 2017
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Weakness
- CWE-119
- Affected
- microsoft/office
- Source
- secure@microsoft.com
EPSS 99.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-11882
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://reversingminds-blog.logdown.com/posts/3907313-fileless-attack-in-word-without-macros-cve-2017-11882Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101757Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/did-microsoft-just-manually-patch-their.htmlExploit, Third Party Advisory
- https://0patch.blogspot.com/2017/11/official-patch-for-cve-2017-11882-meets.htmlExploit, Patch, Third Party Advisory
- https://github.com/0x09AL/CVE-2017-11882-metasploitExploit, Third Party Advisory
- https://github.com/embedi/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/rxwx/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/unamer/CVE-2017-11882Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882Patch, Vendor Advisory
- https://researchcenter.paloaltonetworks.com/2017/12/unit42-analysis-of-cve-2017-11882-exploit-in-the-wild/Exploit, Third Party Advisory
- https://web.archive.org/web/20181104111128/https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about/Exploit, Mitigation, Third Party Advisory
- https://www.exploit-db.com/exploits/43163/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/421280Third Party Advisory, US Government Resource
- http://reversingminds-blog.logdown.com/posts/3907313-fileless-attack-in-word-without-macros-cve-2017-11882Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101757Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/did-microsoft-just-manually-patch-their.htmlExploit, Third Party Advisory
- https://0patch.blogspot.com/2017/11/official-patch-for-cve-2017-11882-meets.htmlExploit, Patch, Third Party Advisory
- https://github.com/0x09AL/CVE-2017-11882-metasploitExploit, Third Party Advisory
- https://github.com/embedi/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/rxwx/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/unamer/CVE-2017-11882Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882Patch, Vendor Advisory
- https://researchcenter.paloaltonetworks.com/2017/12/unit42-analysis-of-cve-2017-11882-exploit-in-the-wild/Exploit, Third Party Advisory
- https://web.archive.org/web/20181104111128/https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about/Exploit, Mitigation, Third Party Advisory
- https://www.exploit-db.com/exploits/43163/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/421280Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11882US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.