vciy

CVE-2017-8511

INDEX BUILT · 2026-09-20

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A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote…

CVE-2017-85114 of 4 sources documented this
33

rank 33 = 5 + 20 + 0 + 8 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.20612  ·  without this subject the record ranks 28

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.8, from NVD  ·  without this subject the record ranks 13

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 33

How much of the world it touches

NVD CPE configurations

10 products in the CPE ranges  ·  without this subject the record ranks 25

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 33

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$1.03Mover the next 30 days, if this record is yours
Movement-$1.30Mon 2025-03-30, the last material move, 1 year, 5 months before this reading
Basisassumeda published average, not your estate

$1.03M = $4.99M incident cost x 1 exposure x 0.20612 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.20612EPSSNOT IN KEVas of 2026-09-20
Severity7.8 HIGHreceipt
Harmtotal lossreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementrisenreceipt
PLATEAU10Minimal movement since 2026-06-15, 83 days at 0.21, as of 2026-09-06. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Running Microsoft Office? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Record your call

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachneeds local access · no privileges required · user interaction required · low attack complexityreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v3.0 · NVD's vectorreceipt
Weakness classNo CWE mapping in held sources.

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 6 Sep 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD7.8 HIGHreceipt
Exploit probability0.20612 · top 3% of all CVEsreceipt
Blast breadth6 products across 1 vendorderived
Assigned bymicrosoftreceipt
Recorded changes34 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productMicrosoft Corporation Microsoft Officereceipt
Published rangesmicrosoft office 2010; microsoft office 2013; microsoft office 2016; microsoft office online server 2016receipt
Show all 10 published ranges
microsoft office 2010
microsoft office 2013
microsoft office 2016
microsoft office online server 2016
microsoft office web apps 2010
microsoft office web apps server 2013
microsoft powerpoint for mac 2011
microsoft powerpoint for mac 2016
microsoft sharepoint server 2013
microsoft sharepoint server 2016

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8509, CVE-2017-8510, CVE-2017-8512, CVE-2017-0260, and CVE-2017-8506. receipt

NVD's analysis a second authority

severity
7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
affected versions
microsoft office 2010; microsoft office 2013; microsoft office 2016; and 7 more, listed in full below

check it yourself securityfocus.com portal.msrc.microsoft.com receipt

Dated events

2023-03-07EPSS moved 0.17 to 0.022025-03-29EPSS moved 0.07 to 0.332026-06-15EPSS moved 0.06 to 0.21

Movement the material steps

14 Apr 20210.13741
7 Mar 20230.0226 · crossed 0.10 · scoring model v2023.03.01
25 May 20230.12274 · crossed 0.10
25 Nov 20240.26000
17 Dec 20240.05046 · crossed 0.10
17 Mar 20250.06797 · scoring model v2025.03.14
29 Mar 20250.32878 · crossed 0.10
30 Mar 20250.06797 · crossed 0.10
15 Jun 20260.20612 · crossed 0.10 · scoring model v2026.06.15
6 Sep 20260.20612
Show all 34 observations
14 Apr 20210.13741
4 Feb 20220.13961
11 Mar 20220.17492
7 Mar 20230.0226
8 Mar 20230.02260
30 Mar 20230.02501
24 Apr 20230.06256
25 May 20230.12274
30 Jun 20230.16827
10 Aug 20230.17575
18 Sep 20230.19768
30 Oct 20230.15507
9 Dec 20230.12464
16 Jan 20240.14868
26 Feb 20240.19097
5 Apr 20240.20152
25 Nov 20240.26000
17 Dec 20240.05046
17 Mar 20250.06797
29 Mar 20250.32878
30 Mar 20250.06797
13 Dec 20250.07855
21 Dec 20250.06355
27 Dec 20250.06797
28 Dec 20250.06355
15 Jun 20260.20612
13 Jul 20260.19427
26 Jul 20260.19269
28 Jul 20260.19427
4 Aug 20260.20612
23 Aug 20260.17439
30 Aug 20260.20612
5 Sep 20260.17439
6 Sep 20260.20612

34 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.20612Published2017-06-15Index as of2026-09-06

The record had been public for 9 years, 2 months when this index was last written.

Published 2017-06-15 receipt · Index as of 2026-09-06 derived

Siblings and hubs

Records related to this one

Its defect family

microsoft corporation microsoft office

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

Nothing we hold separates this record from the others in its defect family. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

Browse the index from here

These are index-wide views, not findings about CVE-2017-8511.

What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

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