CVE-2017-2791

HIGHNVD 7.57.8▲
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.3.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted PowerPoint file. Due to the application incorrectly handling the error case for a function's result, the application will use this result in a pointer calculation for reading file data into. Due to this, the application will read data from the file into an invalid address thus corrupting memory. Under the right conditions, this can lead to code execution under the context of the application.

CVSS v3
7.5
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
63.7%
KEV
Not listed

Published

February 24, 2017

Last Modified

May 13, 2026

References (4)

Data Freshness Timeline

(refreshed 12× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:29 UTCEG score recompute
  3. 2026-07-22 22:08 UTCEG score recompute
  4. 2026-07-22 14:04 UTCEPSS rescore
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  6. 2026-07-21 15:21 UTCEPSS rescore
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  1. 2026-07-06 16:24 UTCEPSS rescore
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  25. 2026-06-19 19:23 UTCEPSS rescore
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  27. 2026-06-18 17:50 UTCEPSS rescore
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  50. 2026-05-31 22:28 UTCEPSS rescore
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  52. 2026-05-31 00:14 UTCEPSS rescore
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  54. 2026-05-29 13:41 UTCEPSS rescore
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  67. 2026-05-22 21:15 UTCEPSS rescore
  68. 2026-05-22 15:53 UTCEG score recompute
  69. 2026-05-22 15:53 UTCGHSA enrichment
  70. 2026-05-21 22:40 UTCEPSS rescore
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  74. 2026-05-20 11:21 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2017-2791?
CVE-2017-2791 is a high vulnerability published on February 24, 2017. JustSystems Ichitaro 2016 Trial contains a vulnerability that exists when trying to open a specially crafted PowerPoint file. Due to the application incorrectly handling the error case for a function's result, the application will use this result in a pointer calculation for reading file data into.…
When was CVE-2017-2791 disclosed?
CVE-2017-2791 was first published in the National Vulnerability Database on February 24, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-2791 actively exploited?
CVE-2017-2791 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-2791?
CVE-2017-2791 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.8.
How do I remediate CVE-2017-2791?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-2791, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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