CVE-2015-1770
Microsoft Office Uninitialized Memory Use Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Uninitialized Memory Use Vulnerability."
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 34.99% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 28 March 2022 · due 18 April 2022
- Weakness
- CWE-824
- Affected
- microsoft/office
- Source
- secure@microsoft.com
EPSS 35.0% since 26 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-2015-1770
References
- http://www.securityfocus.com/bid/75016Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1032523Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-059Patch, Vendor Advisory
- http://www.securityfocus.com/bid/75016Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1032523Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-059Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1770US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.