Known exploited vulnerability
CVE-2017-8570
The short answer
CVE-2017-8570 affects Microsoft Corporation Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, and Microsoft Office 2016. and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-02-25: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0243.
Severity
7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Feb 25, 2022
Federal due date Aug 25, 2022
EPSS, next 30 days
90%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, and Microsoft Office 2016.. NVD's record lists the exact affected versions.
References
- github.com/ParsingTeam/ppsx-file-generator ExploitThird Party Advisory
- github.com/rxwx/CVE-2017-8570 Third Party Advisory
- github.com/tezukanice/Office8570 ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570 PatchVendor Advisory
- github.com/ParsingTeam/ppsx-file-generator ExploitThird Party Advisory
- github.com/rxwx/CVE-2017-8570 Third Party Advisory
- github.com/tezukanice/Office8570 ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8570 US Government Resource
Questions
Is CVE-2017-8570 being exploited?
Yes. CISA added CVE-2017-8570 to its Known Exploited Vulnerabilities catalog on 2022-02-25, with a federal remediation due date of 2022-08-25.
How do I fix CVE-2017-8570?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
Related
Latest CVEs this week
Critical and High CVEs from the last 7 days, with KEV and EPSS.
Exploited vulnerabilities by vendor
Every vendor in CISA's KEV catalog, with its count.
Microsoft exploited vulnerabilities
Everything CISA lists as exploited for Microsoft.
Vulnerability watch
A briefing and a fix pull request when an advisory hits your dependencies.
Know the day a CVE lands in your code
Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.